265071264 has 96 divisors (see below), whose sum is σ = 718280640. Its totient is φ = 85542912.

The previous prime is 265071263. The next prime is 265071341. The reversal of 265071264 is 462170562.

265071264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (265071263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647892 + ... + 648300.

It is an arithmetic number, because the mean of its divisors is an integer number (7482090).

Almost surely, 2^265071264 is an apocalyptic number.

265071264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265071264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359140320).

265071264 is an abundant number, since it is smaller than the sum of its proper divisors (453209376).

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

265071264 is a wasteful number, since it uses less digits than its factorization.

265071264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 265071264 is about 16281.0093053226. The cubic root of 265071264 is about 642.3734010482.

The spelling of 265071264 in words is "two hundred sixty-five million, seventy-one thousand, two hundred sixty-four".