256858150 has 48 divisors (see below), whose sum is σ = 508070160. Its totient is φ = 96336000.

The previous prime is 256858139. The next prime is 256858163. The reversal of 256858150 is 51858652.

It is a super-2 number, since 2×256858150² = 131952218442845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94612 + ... + 97288.

It is an arithmetic number, because the mean of its divisors is an integer number (10584795).

Almost surely, 2^256858150 is an apocalyptic number.

256858150 is a deficient number, since it is larger than the sum of its proper divisors (251212010).

256858150 is a wasteful number, since it uses less digits than its factorization.

256858150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 256858150 is about 16026.7947512907. The cubic root of 256858150 is about 635.6691233449.

The spelling of 256858150 in words is "two hundred fifty-six million, eight hundred fifty-eight thousand, one hundred fifty".