256202424 has 48 divisors (see below), whose sum is σ = 706984200. Its totient is φ = 83788224.

The previous prime is 256202413. The next prime is 256202449. The reversal of 256202424 is 424202652.

It is a happy number.

It is a congruent number.

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, 29754 + ... + 37385.

Almost surely, 2^256202424 is an apocalyptic number.

256202424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256202424 is an abundant number, since it is smaller than the sum of its proper divisors (450781776).

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

256202424 is a wasteful number, since it uses less digits than its factorization.

256202424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67204 (or 67197 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 256202424 is about 16006.3245000219. The cubic root of 256202424 is about 635.1277350656.

The spelling of 256202424 in words is "two hundred fifty-six million, two hundred two thousand, four hundred twenty-four".