256423524 has 24 divisors (see below), whose sum is σ = 683796288. Its totient is φ = 73263840.

The previous prime is 256423501. The next prime is 256423561. The reversal of 256423524 is 425324652.

It is a happy number.

256423524 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 7 ways as a sum of consecutive naturals, for example, 1526247 + ... + 1526414.

It is an arithmetic number, because the mean of its divisors is an integer number (28491512).

Almost surely, 2^256423524 is an apocalyptic number.

It is an amenable number.

256423524 is an abundant number, since it is smaller than the sum of its proper divisors (427372764).

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

256423524 is a wasteful number, since it uses less digits than its factorization.

256423524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052675 (or 3052673 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 256423524 is about 16013.2296555067. The cubic root of 256423524 is about 635.3103853879.

The spelling of 256423524 in words is "two hundred fifty-six million, four hundred twenty-three thousand, five hundred twenty-four".