256319150 has 24 divisors (see below), whose sum is σ = 477217224. Its totient is φ = 102428000.

The previous prime is 256319131. The next prime is 256319171. The reversal of 256319150 is 51913652.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 70784 + ... + 74316.

It is an arithmetic number, because the mean of its divisors is an integer number (19884051).

Almost surely, 2^256319150 is an apocalyptic number.

256319150 is a deficient number, since it is larger than the sum of its proper divisors (220898074).

256319150 is a wasteful number, since it uses less digits than its factorization.

256319150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 256319150 is about 16009.9703310156. The cubic root of 256319150 is about 635.2241752981.

The spelling of 256319150 in words is "two hundred fifty-six million, three hundred nineteen thousand, one hundred fifty".