256288152 has 32 divisors (see below), whose sum is σ = 641113200. Its totient is φ = 85377024.

The previous prime is 256288139. The next prime is 256288177. The reversal of 256288152 is 251882652.

256288152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 256288152.

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, 72408 + ... + 75864.

Almost surely, 2^256288152 is an apocalyptic number.

It is an amenable number.

256288152 is an abundant number, since it is smaller than the sum of its proper divisors (384825048).

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

256288152 is a wasteful number, since it uses less digits than its factorization.

256288152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555 (or 6551 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 256288152 is about 16009.0022175025. The cubic root of 256288152 is about 635.1985672846.

The spelling of 256288152 in words is "two hundred fifty-six million, two hundred eighty-eight thousand, one hundred fifty-two".