265234464 has 144 divisors (see below), whose sum is σ = 851497920. Its totient is φ = 77575680.

The previous prime is 265234457. The next prime is 265234499. The reversal of 265234464 is 464432562.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90429 + ... + 93315.

It is an arithmetic number, because the mean of its divisors is an integer number (5913180).

Almost surely, 2^265234464 is an apocalyptic number.

265234464 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 265234464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425748960).

265234464 is an abundant number, since it is smaller than the sum of its proper divisors (586263456).

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

265234464 is a wasteful number, since it uses less digits than its factorization.

265234464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2932 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 265234464 is about 16286.0205083992. The cubic root of 265234464 is about 642.5052069001.

The spelling of 265234464 in words is "two hundred sixty-five million, two hundred thirty-four thousand, four hundred sixty-four".