265360256 has 64 divisors (see below), whose sum is σ = 612595680. Its totient is φ = 112140288.

The previous prime is 265360243. The next prime is 265360343. The reversal of 265360256 is 652063562.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63380 + ... + 67436.

Almost surely, 2^265360256 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 265360256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306297840).

265360256 is an abundant number, since it is smaller than the sum of its proper divisors (347235424).

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

265360256 is an equidigital number, since it uses as much as digits as its factorization.

265360256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4151 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 265360256 is about 16289.8820130779. The cubic root of 265360256 is about 642.6067638899.

The spelling of 265360256 in words is "two hundred sixty-five million, three hundred sixty thousand, two hundred fifty-six".