256962558 has 16 divisors (see below), whose sum is σ = 527815440. Its totient is φ = 83339136.

The previous prime is 256962493. The next prime is 256962577. The reversal of 256962558 is 855269652.

256962558 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 578523 + ... + 578966.

It is an arithmetic number, because the mean of its divisors is an integer number (32988465).

Almost surely, 2^256962558 is an apocalyptic number.

256962558 is an abundant number, since it is smaller than the sum of its proper divisors (270852882).

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

256962558 is a wasteful number, since it uses less digits than its factorization.

256962558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157531.

The product of its digits is 1296000, while the sum is 48.

The square root of 256962558 is about 16030.0517154500. The cubic root of 256962558 is about 635.7552408528.

The spelling of 256962558 in words is "two hundred fifty-six million, nine hundred sixty-two thousand, five hundred fifty-eight".