256760 has 48 divisors (see below), whose sum is σ = 677160. Its totient is φ = 87360.

The previous prime is 256757. The next prime is 256771. The reversal of 256760 is 67652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1895 + ... + 2025.

2²⁵⁶⁷⁶⁰ is an apocalyptic number.

256760 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 256760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338580).

256760 is an abundant number, since it is smaller than the sum of its proper divisors (420400).

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

256760 is a wasteful number, since it uses less digits than its factorization.

256760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 256760 is about 506.7149099839. The cubic root of 256760 is about 63.5588146260.

The spelling of 256760 in words is "two hundred fifty-six thousand, seven hundred sixty".