256090232 has 16 divisors (see below), whose sum is σ = 480475800. Its totient is φ = 127963360.

The previous prime is 256090231. The next prime is 256090243. The reversal of 256090232 is 232090652.

It is a junction number, because it is equal to n+sod(n) for n = 256090195 and 256090204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256090231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307 + ... + 23037.

Almost surely, 2^256090232 is an apocalyptic number.

It is an amenable number.

256090232 is a deficient number, since it is larger than the sum of its proper divisors (224385568).

256090232 is a wasteful number, since it uses less digits than its factorization.

256090232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20446 (or 20442 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 256090232 is about 16002.8195015753. The cubic root of 256090232 is about 635.0350132594.

The spelling of 256090232 in words is "two hundred fifty-six million, ninety thousand, two hundred thirty-two".