13600040404056 has 64 divisors (see below), whose sum is σ = 35098470220800. Its totient is φ = 4386910838400.

The previous prime is 13600040404033. The next prime is 13600040404073. The reversal of 13600040404056 is 65040404000631.

It is a super-2 number, since 2×13600040404056² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16462551 + ... + 17268921.

It is an arithmetic number, because the mean of its divisors is an integer number (548413597200).

Almost surely, 2^{13600040404056} is an apocalyptic number.

It is an amenable number.

13600040404056 is an abundant number, since it is smaller than the sum of its proper divisors (21498429816744).

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

13600040404056 is a wasteful number, since it uses less digits than its factorization.

13600040404056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829080 (or 829076 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 13600040404056 its reverse (65040404000631), we get a palindrome (78640444404687).

The spelling of 13600040404056 in words is "thirteen trillion, six hundred billion, forty million, four hundred four thousand, fifty-six".