3657040056 has 64 divisors (see below), whose sum is σ = 10172563200. Its totient is φ = 1217319264.

The previous prime is 3657040039. The next prime is 3657040063. The reversal of 3657040056 is 6500407563.

3657040056 is a `hidden beast` number, since 36 + 570 + 4 + 0 + 0 + 56 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3657040056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149095 + ... + 171881.

It is an arithmetic number, because the mean of its divisors is an integer number (158946300).

Almost surely, 2^3657040056 is an apocalyptic number.

3657040056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3657040056 is an abundant number, since it is smaller than the sum of its proper divisors (6515523144).

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

3657040056 is a wasteful number, since it uses less digits than its factorization.

3657040056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23545 (or 23535 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 3657040056 is about 60473.4657184455. The cubic root of 3657040056 is about 1540.6709922461.

The spelling of 3657040056 in words is "three billion, six hundred fifty-seven million, forty thousand, fifty-six".