265748256 has 192 divisors, whose sum is σ = 830269440. Its totient is φ = 82494720.

The previous prime is 265748239. The next prime is 265748261. The reversal of 265748256 is 652847562.

265748256 is a `hidden beast` number, since 26 + 574 + 8 + 2 + 56 = 666.

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, 854341 + ... + 854651.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^265748256 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 265748256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415134720).

265748256 is an abundant number, since it is smaller than the sum of its proper divisors (564521184).

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

265748256 is a wasteful number, since it uses less digits than its factorization.

265748256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 382 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 265748256 is about 16301.7868959203. The cubic root of 265748256 is about 642.9198100178.

The spelling of 265748256 in words is "two hundred sixty-five million, seven hundred forty-eight thousand, two hundred fifty-six".