265493992 has 64 divisors (see below), whose sum is σ = 540259200. Its totient is φ = 121927680.

The previous prime is 265493989. The next prime is 265493993. The reversal of 265493992 is 299394562.

It is not an unprimeable number, because it can be changed into a prime (265493993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787648 + ... + 787984.

It is an arithmetic number, because the mean of its divisors is an integer number (8441550).

Almost surely, 2^265493992 is an apocalyptic number.

It is an amenable number.

265493992 is an abundant number, since it is smaller than the sum of its proper divisors (274765208).

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

265493992 is a wasteful number, since it uses less digits than its factorization.

265493992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 502 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 265493992 is about 16293.9863753472. The cubic root of 265493992 is about 642.7146992005.

The spelling of 265493992 in words is "two hundred sixty-five million, four hundred ninety-three thousand, nine hundred ninety-two".