56640621322424 has 32 divisors (see below), whose sum is σ = 106547547316320. Its totient is φ = 28227961097856.

The previous prime is 56640621322367. The next prime is 56640621322447. The reversal of 56640621322424 is 42422312604665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22684997 + ... + 25057739.

It is an arithmetic number, because the mean of its divisors is an integer number (3329610853635).

Almost surely, 2^{56640621322424} is an apocalyptic number.

It is an amenable number.

56640621322424 is a deficient number, since it is larger than the sum of its proper divisors (49906925993896).

56640621322424 is a wasteful number, since it uses less digits than its factorization.

56640621322424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382479 (or 2382475 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 56640621322424 in words is "fifty-six trillion, six hundred forty billion, six hundred twenty-one million, three hundred twenty-two thousand, four hundred twenty-four".