256360120 has 16 divisors (see below), whose sum is σ = 576810360. Its totient is φ = 102544032.

The previous prime is 256360061. The next prime is 256360121. The reversal of 256360120 is 21063652.

It is a super-2 number, since 2×256360120² = 131441022252828800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256360121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3204462 + ... + 3204541.

Almost surely, 2^256360120 is an apocalyptic number.

256360120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256360120 is an abundant number, since it is smaller than the sum of its proper divisors (320450240).

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

256360120 is a wasteful number, since it uses less digits than its factorization.

256360120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409014 (or 6409010 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 256360120 is about 16011.2497950660. The cubic root of 256360120 is about 635.2580181954.

The spelling of 256360120 in words is "two hundred fifty-six million, three hundred sixty thousand, one hundred twenty".