264649596 has 12 divisors (see below), whose sum is σ = 617515752. Its totient is φ = 88216528.

The previous prime is 264649579. The next prime is 264649597. The reversal of 264649596 is 695946462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264649597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11027055 + ... + 11027078.

It is an arithmetic number, because the mean of its divisors is an integer number (51459646).

Almost surely, 2^264649596 is an apocalyptic number.

It is an amenable number.

264649596 is an abundant number, since it is smaller than the sum of its proper divisors (352866156).

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

264649596 is a wasteful number, since it uses less digits than its factorization.

264649596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22054140 (or 22054138 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The square root of 264649596 is about 16268.0544626578. The cubic root of 264649596 is about 642.0325970192.

The spelling of 264649596 in words is "two hundred sixty-four million, six hundred forty-nine thousand, five hundred ninety-six".