256260 has 24 divisors (see below), whose sum is σ = 717696. Its totient is φ = 68320.

The previous prime is 256219. The next prime is 256279. The reversal of 256260 is 62652.

It is an unprimeable number.

256260 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (29904).

2²⁵⁶²⁶⁰ is an apocalyptic number.

256260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256260 is an abundant number, since it is smaller than the sum of its proper divisors (461436).

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

256260 is a wasteful number, since it uses less digits than its factorization.

256260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 256260 is about 506.2212954825. The cubic root of 256260 is about 63.5175308614.

The spelling of 256260 in words is "two hundred fifty-six thousand, two hundred sixty".