56156185740 has 48 divisors (see below), whose sum is σ = 157486613760. Its totient is φ = 14951240640.

The previous prime is 56156185727. The next prime is 56156185783. The reversal of 56156185740 is 4758165165.

It is a self number, because there is not a number n which added to its sum of digits gives 56156185740.

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, 703770 + ... + 779489.

It is an arithmetic number, because the mean of its divisors is an integer number (3280971120).

Almost surely, 2^56156185740 is an apocalyptic number.

It is an amenable number.

56156185740 is an abundant number, since it is smaller than the sum of its proper divisors (101330428020).

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

56156185740 is a wasteful number, since it uses less digits than its factorization.

56156185740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483902 (or 1483900 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 56156185740 in words is "fifty-six billion, one hundred fifty-six million, one hundred eighty-five thousand, seven hundred forty".