256677232 has 40 divisors (see below), whose sum is σ = 598275200. Its totient is φ = 104213952.

The previous prime is 256677221. The next prime is 256677247. The reversal of 256677232 is 232776652.

256677232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×256677232³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58182 + ... + 62437.

It is an arithmetic number, because the mean of its divisors is an integer number (14956880).

Almost surely, 2^256677232 is an apocalyptic number.

It is an amenable number.

256677232 is an abundant number, since it is smaller than the sum of its proper divisors (341597968).

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

256677232 is a wasteful number, since it uses less digits than its factorization.

256677232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120653 (or 120647 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 256677232 is about 16021.1495218040. The cubic root of 256677232 is about 635.5198438067.

The spelling of 256677232 in words is "two hundred fifty-six million, six hundred seventy-seven thousand, two hundred thirty-two".