256055260 has 12 divisors (see below), whose sum is σ = 537716088. Its totient is φ = 102422096.

The previous prime is 256055237. The next prime is 256055263. The reversal of 256055260 is 62550652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256055263) 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, 6401362 + ... + 6401401.

It is an arithmetic number, because the mean of its divisors is an integer number (44809674).

Almost surely, 2^256055260 is an apocalyptic number.

256055260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256055260 is an abundant number, since it is smaller than the sum of its proper divisors (281660828).

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

256055260 is a wasteful number, since it uses less digits than its factorization.

256055260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12802772 (or 12802770 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 256055260 is about 16001.7267818195. The cubic root of 256055260 is about 635.0061048869.

The spelling of 256055260 in words is "two hundred fifty-six million, fifty-five thousand, two hundred sixty".