256236120 has 96 divisors (see below), whose sum is σ = 951743520. Its totient is φ = 58567680.

The previous prime is 256236103. The next prime is 256236161. The reversal of 256236120 is 21632652.

256236120 is a `hidden beast` number, since 25 + 6 + 23 + 612 + 0 = 666.

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, 48321 + ... + 53360.

It is an arithmetic number, because the mean of its divisors is an integer number (9913995).

Almost surely, 2^256236120 is an apocalyptic number.

256236120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256236120 is an abundant number, since it is smaller than the sum of its proper divisors (695507400).

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

256236120 is a wasteful number, since it uses less digits than its factorization.

256236120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101705 (or 101698 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 256236120 is about 16007.3770493482. The cubic root of 256236120 is about 635.1555780574.

Adding to 256236120 its reverse (21632652), we get a palindrome (277868772).

The spelling of 256236120 in words is "two hundred fifty-six million, two hundred thirty-six thousand, one hundred twenty".