256038080 has 28 divisors (see below), whose sum is σ = 609691440. Its totient is φ = 102415104.

The previous prime is 256038077. The next prime is 256038089. The reversal of 256038080 is 80830652.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (256038089) 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, 399740 + ... + 400379.

Almost surely, 2^256038080 is an apocalyptic number.

256038080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256038080 is an abundant number, since it is smaller than the sum of its proper divisors (353653360).

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

256038080 is an equidigital number, since it uses as much as digits as its factorization.

256038080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800136 (or 800126 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 256038080 is about 16001.1899557502. The cubic root of 256038080 is about 634.9919026806.

The spelling of 256038080 in words is "two hundred fifty-six million, thirty-eight thousand, eighty".