256474096 has 20 divisors (see below), whose sum is σ = 497178000. Its totient is φ = 128170112.

The previous prime is 256474093. The next prime is 256474117. The reversal of 256474096 is 690474652.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256474093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44805 + ... + 50203.

It is an arithmetic number, because the mean of its divisors is an integer number (24858900).

Almost surely, 2^256474096 is an apocalyptic number.

It is an amenable number.

256474096 is a deficient number, since it is larger than the sum of its proper divisors (240703904).

256474096 is a wasteful number, since it uses less digits than its factorization.

256474096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 256474096 is about 16014.8086469992. The cubic root of 256474096 is about 635.3521480733.

The spelling of 256474096 in words is "two hundred fifty-six million, four hundred seventy-four thousand, ninety-six".