270256 has 40 divisors (see below), whose sum is σ = 634880. Its totient is φ = 108864.

The previous prime is 270241. The next prime is 270269. The reversal of 270256 is 652072.

It is an unprimeable number.

270256 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, 2065 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (15872).

2²⁷⁰²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317440).

270256 is an abundant number, since it is smaller than the sum of its proper divisors (364624).

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

270256 is a wasteful number, since it uses less digits than its factorization.

270256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 270256 is about 519.8615200224. The cubic root of 270256 is about 64.6534614810.

The spelling of 270256 in words is "two hundred seventy thousand, two hundred fifty-six".