256068 has 24 divisors (see below), whose sum is σ = 664160. Its totient is φ = 85320.

The previous prime is 256057. The next prime is 256079. The reversal of 256068 is 860652.

It is an interprime number because it is at equal distance from previous prime (256057) and next prime (256079).

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

It is an unprimeable number.

256068 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, 1078 + ... + 1293.

2²⁵⁶⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

256068 is an abundant number, since it is smaller than the sum of its proper divisors (408092).

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

256068 is a wasteful number, since it uses less digits than its factorization.

256068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 256068 is about 506.0316195654. The cubic root of 256068 is about 63.5016636264.

It can be divided in two parts, 2560 and 68, that added together give a triangular number (2628 = T₇₂).

The spelling of 256068 in words is "two hundred fifty-six thousand, sixty-eight".