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40407006672 = 24321591917627
BaseRepresentation
bin100101101000011100…
…011111110111010000
310212022000220121200200
4211220130133313100
51130223143203142
630321314215200
72630215614114
oct455034376720
9125260817620
1040407006672
111615577a19a
1279b8284500
133a6c4a8106
141d54677744
1510b75d164c
hex96871fdd0

40407006672 has 60 divisors (see below), whose sum is σ = 113097017280. Its totient is φ = 13467392064.

The previous prime is 40407006649. The next prime is 40407006677. The reversal of 40407006672 is 27660070404.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40407006677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2283523 + ... + 2301149.

It is an arithmetic number, because the mean of its divisors is an integer number (1884950288).

Almost surely, 240407006672 is an apocalyptic number.

It is an amenable number.

40407006672 is an abundant number, since it is smaller than the sum of its proper divisors (72690010608).

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

40407006672 is a wasteful number, since it uses less digits than its factorization.

40407006672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33560 (or 33551 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 40407006672 in words is "forty billion, four hundred seven million, six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 15919 17627 31838 35254 47757 52881 63676 70508 95514 105762 127352 141016 143271 158643 191028 211524 254704 282032 286542 317286 382056 423048 573084 634572 764112 846096 1146168 1269144 2292336 2538288 280604213 561208426 841812639 1122416852 1683625278 2244833704 2525437917 3367250556 4489667408 5050875834 6734501112 10101751668 13469002224 20203503336 40407006672