56405603632 has 80 divisors (see below), whose sum is σ = 130411494400. Its totient is φ = 23611549248.

The previous prime is 56405603587. The next prime is 56405603659. The reversal of 56405603632 is 23630650465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116473 + ... + 355495.

It is an arithmetic number, because the mean of its divisors is an integer number (1630143680).

Almost surely, 2^56405603632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56405603632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65205747200).

56405603632 is an abundant number, since it is smaller than the sum of its proper divisors (74005890768).

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

56405603632 is a wasteful number, since it uses less digits than its factorization.

56405603632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239095 (or 239075 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 56405603632 in words is "fifty-six billion, four hundred five million, six hundred three thousand, six hundred thirty-two".