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40007680800400 = 2452313226425871
BaseRepresentation
bin10010001100011000000111…
…00110100011011010010000
312020122200211001201002200101
421012030003212203122100
520220441212241103100
6221031135210302144
711266313424550555
oct1106140346433220
9166580731632611
1040007680800400
11118251868a50a5
1245a190b427954
131942928949a81
149c454c612a2c
15495a591b486a
hex2463039a3690

40007680800400 has 60 divisors (see below), whose sum is σ = 99219048415744. Its totient is φ = 15486844176000.

The previous prime is 40007680800361. The next prime is 40007680800433. The reversal of 40007680800400 is 400808670004.

It is a super-2 number, since 2×400076808004002 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40007680800400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613200536 + ... + 1613225335.

Almost surely, 240007680800400 is an apocalyptic number.

40007680800400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40007680800400 is an abundant number, since it is smaller than the sum of its proper divisors (59211367615344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40007680800400 is a wasteful number, since it uses less digits than its factorization.

40007680800400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226425920 (or 3226425909 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 40007680800400 in words is "forty trillion, seven billion, six hundred eighty million, eight hundred thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2480 3100 6200 12400 3226425871 6452851742 12905703484 16132129355 25811406968 32264258710 51622813936 64528517420 80660646775 100019202001 129057034840 161321293550 200038404002 258114069680 322642587100 400076808004 500096010005 645285174200 800153616008 1000192020010 1290570348400 1600307232016 2000384040020 2500480050025 4000768080040 5000960100050 8001536160080 10001920200100 20003840400200 40007680800400