265113856 has 72 divisors (see below), whose sum is σ = 607967360. Its totient is φ = 113025024.

The previous prime is 265113851. The next prime is 265113883. The reversal of 265113856 is 658311562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265113851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603685 + ... + 604123.

Almost surely, 2^265113856 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 265113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303983680).

265113856 is an abundant number, since it is smaller than the sum of its proper divisors (342853504).

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

265113856 is an equidigital number, since it uses as much as digits as its factorization.

265113856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 785 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 265113856 is about 16282.3172797977. The cubic root of 265113856 is about 642.4078050071.

The spelling of 265113856 in words is "two hundred sixty-five million, one hundred thirteen thousand, eight hundred fifty-six".