256526274 has 32 divisors (see below), whose sum is σ = 521002944. Its totient is φ = 84191040.

The previous prime is 256526119. The next prime is 256526327. The reversal of 256526274 is 472625652.

256526274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185064 + ... + 186444.

It is an arithmetic number, because the mean of its divisors is an integer number (16281342).

Almost surely, 2^256526274 is an apocalyptic number.

256526274 is an abundant number, since it is smaller than the sum of its proper divisors (264476670).

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

256526274 is a wasteful number, since it uses less digits than its factorization.

256526274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its digits is 201600, while the sum is 39.

The square root of 256526274 is about 16016.4376188964. The cubic root of 256526274 is about 635.3952312501.

The spelling of 256526274 in words is "two hundred fifty-six million, five hundred twenty-six thousand, two hundred seventy-four".