Numbers 420,000,000,000s

420,021,944,281

[Math.]  Sum of the first 1138 cube numbers:

13+…+11383 = 420,021,944,281 = (1+…+1138)2 = 648,0912.

420,744,227,904

[Math.]  123,448,227,904 = (123,448+227,904)2 = 351,3522 and 420,744,227,904 = (420,744+227,904)2 = 648,6482 and 351352+648648 = 1,000,000.

421,499,592,900

[Math.]  Sum of the first 1139 cube numbers:

13+…+11393 = 421,499,592,900 = (1+…+1139)2 = 649,2302.

422,981,136,900

[Math.]  Sum of the first 1140 cube numbers:

13+…+11403 = 422,981,136,900 = (1+…+1140)2 = 650,3702.

424,466,583,121

[Math.]  Sum of the first 1141 cube numbers:

13+…+11413 = 424,466,583,121 = (1+…+1141)2 = 651,5112.

425,955,938,409

[Math.]  Sum of the first 1142 cube numbers:

13+…+11423 = 425,955,938,409 = (1+…+1142)2 = 652,6532.

426,018,197,360

[Math.]  Two consecutive sums of consecutive square numbers:

426,018,197,360 = 513602+…+515202 = 515212+…+516802.

427,449,209,616

[Math.]  Sum of the first 1143 cube numbers:

13+…+11433 = 427,449,209,616 = (1+…+1143)2 = 653,7962.

428,946,403,600

[Math.]  Sum of the first 1144 cube numbers:

13+…+11443 = 428,946,403,600 = (1+…+1144)2 = 654,9402.