256032318 has 16 divisors (see below), whose sum is σ = 512428176. Its totient is φ = 85283520.

The previous prime is 256032289. The next prime is 256032419. The reversal of 256032318 is 813230652.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5521 + ... + 23292.

It is an arithmetic number, because the mean of its divisors is an integer number (32026761).

Almost surely, 2^256032318 is an apocalyptic number.

256032318 is an abundant number, since it is smaller than the sum of its proper divisors (256395858).

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

256032318 is a wasteful number, since it uses less digits than its factorization.

256032318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30299.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 256032318 is about 16001.0099056278. The cubic root of 256032318 is about 634.9871392605.

The spelling of 256032318 in words is "two hundred fifty-six million, thirty-two thousand, three hundred eighteen".