56339938404 has 36 divisors (see below), whose sum is σ = 149910364240. Its totient is φ = 17791559280.

The previous prime is 56339938381. The next prime is 56339938411. The reversal of 56339938404 is 40483993365.

56339938404 is a `hidden beast` number, since 563 + 3 + 9 + 9 + 38 + 40 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 41183482 + ... + 41184849.

Almost surely, 2^56339938404 is an apocalyptic number.

It is an amenable number.

56339938404 is an abundant number, since it is smaller than the sum of its proper divisors (93570425836).

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

56339938404 is a wasteful number, since it uses less digits than its factorization.

56339938404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82368360 (or 82368355 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 56339938404 in words is "fifty-six billion, three hundred thirty-nine million, nine hundred thirty-eight thousand, four hundred four".