2556256232 has 16 divisors (see below), whose sum is σ = 4809343140. Its totient is φ = 1273764736.

The previous prime is 2556256231. The next prime is 2556256237. The reversal of 2556256232 is 2326526552.

It can be written as a sum of positive squares in 2 ways, for example, as 1696945636 + 859310596 = 41194^2 + 29314^2 .

It is not an unprimeable number, because it can be changed into a prime (2556256231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542933 + ... + 547620.

Almost surely, 2^2556256232 is an apocalyptic number.

It is an amenable number.

2556256232 is a deficient number, since it is larger than the sum of its proper divisors (2253086908).

2556256232 is a wasteful number, since it uses less digits than its factorization.

2556256232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090852 (or 1090848 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 2556256232 is about 50559.4326708677. The cubic root of 2556256232 is about 1367.3135827133.

The spelling of 2556256232 in words is "two billion, five hundred fifty-six million, two hundred fifty-six thousand, two hundred thirty-two".