265151264 has 48 divisors (see below), whose sum is σ = 611162496. Its totient is φ = 110860800.

The previous prime is 265151239. The next prime is 265151267. The reversal of 265151264 is 462151562.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 265151264.

It is not an unprimeable number, because it can be changed into a prime (265151267) 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, 5252 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (12732552).

Almost surely, 2^265151264 is an apocalyptic number.

It is an amenable number.

265151264 is an abundant number, since it is smaller than the sum of its proper divisors (346011232).

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

265151264 is a wasteful number, since it uses less digits than its factorization.

265151264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28929 (or 28921 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 265151264 is about 16283.4659701183. The cubic root of 265151264 is about 642.4380185179.

The spelling of 265151264 in words is "two hundred sixty-five million, one hundred fifty-one thousand, two hundred sixty-four".