56672340540 has 48 divisors (see below), whose sum is σ = 159341028000. Its totient is φ = 15049912320.

The previous prime is 56672340511. The next prime is 56672340553. The reversal of 56672340540 is 4504327665.

It is a junction number, because it is equal to n+sod(n) for n = 56672340492 and 56672340501.

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, 1945165 + ... + 1974084.

It is an arithmetic number, because the mean of its divisors is an integer number (3319604750).

Almost surely, 2^56672340540 is an apocalyptic number.

It is an amenable number.

56672340540 is an abundant number, since it is smaller than the sum of its proper divisors (102668687460).

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

56672340540 is a wasteful number, since it uses less digits than its factorization.

56672340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919502 (or 3919500 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 56672340540 in words is "fifty-six billion, six hundred seventy-two million, three hundred forty thousand, five hundred forty".