256255074 has 24 divisors (see below), whose sum is σ = 555514752. Its totient is φ = 85372920.

The previous prime is 256255067. The next prime is 256255099. The reversal of 256255074 is 470552652.

256255074 is a `hidden beast` number, since 25 + 625 + 5 + 0 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60279 + ... + 64389.

It is an arithmetic number, because the mean of its divisors is an integer number (23146448).

Almost surely, 2^256255074 is an apocalyptic number.

256255074 is an abundant number, since it is smaller than the sum of its proper divisors (299259678).

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

256255074 is a wasteful number, since it uses less digits than its factorization.

256255074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582 (or 7579 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 256255074 is about 16007.9690779312. The cubic root of 256255074 is about 635.1712386676.

The spelling of 256255074 in words is "two hundred fifty-six million, two hundred fifty-five thousand, seventy-four".