2556366912 has 112 divisors (see below), whose sum is σ = 8198510400. Its totient is φ = 774650880.

The previous prime is 2556366893. The next prime is 2556366929. The reversal of 2556366912 is 2196636552.

2556366912 is a `hidden beast` number, since 2 + 5 + 5 + 636 + 6 + 9 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48237 + ... + 86252.

Almost surely, 2^2556366912 is an apocalyptic number.

2556366912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2556366912 is an abundant number, since it is smaller than the sum of its proper divisors (5642143488).

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

2556366912 is a wasteful number, since it uses less digits than its factorization.

2556366912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134521 (or 134505 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 2556366912 is about 50560.5272124411. The cubic root of 2556366912 is about 1367.3333162702. Note that the first 4 decimals are identical.

The spelling of 2556366912 in words is "two billion, five hundred fifty-six million, three hundred sixty-six thousand, nine hundred twelve".