265126816 has 24 divisors (see below), whose sum is σ = 539969220. Its totient is φ = 127991808.

The previous prime is 265126783. The next prime is 265126843. The reversal of 265126816 is 618621562.

265126816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 237036816 + 28090000 = 15396^2 + 5300^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141921 + ... + 143776.

Almost surely, 2^265126816 is an apocalyptic number.

It is an amenable number.

265126816 is an abundant number, since it is smaller than the sum of its proper divisors (274842404).

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

265126816 is a wasteful number, since it uses less digits than its factorization.

265126816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285736 (or 285728 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 265126816 is about 16282.7152526844. The cubic root of 265126816 is about 642.4182727984.

The spelling of 265126816 in words is "two hundred sixty-five million, one hundred twenty-six thousand, eight hundred sixteen".