556056471840 has 96 divisors (see below), whose sum is σ = 1751933111040. Its totient is φ = 148251654144.

The previous prime is 556056471809. The next prime is 556056471863. The reversal of 556056471840 is 48174650655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 2303772 + ... + 2533668.

It is an arithmetic number, because the mean of its divisors is an integer number (18249303240).

Almost surely, 2^556056471840 is an apocalyptic number.

It is an amenable number.

556056471840 is an abundant number, since it is smaller than the sum of its proper divisors (1195876639200).

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

556056471840 is a wasteful number, since it uses less digits than its factorization.

556056471840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234954 (or 234946 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 556056471840 in words is "five hundred fifty-six billion, fifty-six million, four hundred seventy-one thousand, eight hundred forty".