285068256 has 192 divisors, whose sum is σ = 867718656. Its totient is φ = 81776640.

The previous prime is 285068249. The next prime is 285068321. The reversal of 285068256 is 652860582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2938800 + ... + 2938896.

It is an arithmetic number, because the mean of its divisors is an integer number (4519368).

Almost surely, 2^285068256 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 285068256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433859328).

285068256 is an abundant number, since it is smaller than the sum of its proper divisors (582650400).

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

285068256 is a wasteful number, since it uses less digits than its factorization.

285068256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 285068256 is about 16883.9644633599. The cubic root of 285068256 is about 658.1369682503.

The spelling of 285068256 in words is "two hundred eighty-five million, sixty-eight thousand, two hundred fifty-six".