256204080 has 320 divisors, whose sum is σ = 989936640. Its totient is φ = 60364800.

The previous prime is 256204079. The next prime is 256204099. The reversal of 256204080 is 80402652.

256204080 is a `hidden beast` number, since 256 + 2 + 0 + 408 + 0 = 666.

256204080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 974029 + ... + 974291.

It is an arithmetic number, because the mean of its divisors is an integer number (3093552).

Almost surely, 2^256204080 is an apocalyptic number.

256204080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256204080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494968320).

256204080 is an abundant number, since it is smaller than the sum of its proper divisors (733732560).

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

256204080 is a wasteful number, since it uses less digits than its factorization.

256204080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 256204080 is about 16006.3762294905. The cubic root of 256204080 is about 635.1291034748.

The spelling of 256204080 in words is "two hundred fifty-six million, two hundred four thousand, eighty".