4256056868 has 24 divisors (see below), whose sum is σ = 8742172992. Its totient is φ = 1774725984.

The previous prime is 4256056843. The next prime is 4256056891. The reversal of 4256056868 is 8686506524.

It is a super-2 number, since 2×4256056868² = 36228040127299938848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053046 + ... + 2055117.

It is an arithmetic number, because the mean of its divisors is an integer number (364257208).

Almost surely, 2^4256056868 is an apocalyptic number.

It is an amenable number.

4256056868 is an abundant number, since it is smaller than the sum of its proper divisors (4486116124).

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

4256056868 is a wasteful number, since it uses less digits than its factorization.

4256056868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108211 (or 4108209 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The square root of 4256056868 is about 65238.4615698439. The cubic root of 4256056868 is about 1620.5750217003.

The spelling of 4256056868 in words is "four billion, two hundred fifty-six million, fifty-six thousand, eight hundred sixty-eight".