556857855264 has 96 divisors (see below), whose sum is σ = 1483523911296. Its totient is φ = 182858762240.

The previous prime is 556857855241. The next prime is 556857855289. The reversal of 556857855264 is 462558758655.

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

It is a junction number, because it is equal to n+sod(n) for n = 556857855195 and 556857855204.

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, 8672044 + ... + 8736020.

It is an arithmetic number, because the mean of its divisors is an integer number (15453374076).

Almost surely, 2^556857855264 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 556857855264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741761955648).

556857855264 is an abundant number, since it is smaller than the sum of its proper divisors (926666056032).

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

556857855264 is a wasteful number, since it uses less digits than its factorization.

556857855264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65338 (or 65330 counting only the distinct ones).

The product of its digits is 403200000, while the sum is 66.

The spelling of 556857855264 in words is "five hundred fifty-six billion, eight hundred fifty-seven million, eight hundred fifty-five thousand, two hundred sixty-four".