256250032 has 20 divisors (see below), whose sum is σ = 513605520. Its totient is φ = 123706688.

The previous prime is 256250023. The next prime is 256250047. The reversal of 256250032 is 230052652.

It is a junction number, because it is equal to n+sod(n) for n = 256249979 and 256250006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275668 + ... + 276595.

It is an arithmetic number, because the mean of its divisors is an integer number (25680276).

Almost surely, 2^256250032 is an apocalyptic number.

It is an amenable number.

256250032 is an abundant number, since it is smaller than the sum of its proper divisors (257355488).

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

256250032 is a wasteful number, since it uses less digits than its factorization.

256250032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552300 (or 552294 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 256250032 is about 16007.8115930942. The cubic root of 256250032 is about 635.1670728257.

The spelling of 256250032 in words is "two hundred fifty-six million, two hundred fifty thousand, thirty-two".