264499964 has 6 divisors (see below), whose sum is σ = 462874944. Its totient is φ = 132249980.

The previous prime is 264499943. The next prime is 264499997. The reversal of 264499964 is 469994462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33062492 + ... + 33062499.

It is an arithmetic number, because the mean of its divisors is an integer number (77145824).

Almost surely, 2^264499964 is an apocalyptic number.

It is an amenable number.

264499964 is a deficient number, since it is larger than the sum of its proper divisors (198374980).

264499964 is a wasteful number, since it uses less digits than its factorization.

264499964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66124995 (or 66124993 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 264499964 is about 16263.4548605147. The cubic root of 264499964 is about 641.9115731770.

The spelling of 264499964 in words is "two hundred sixty-four million, four hundred ninety-nine thousand, nine hundred sixty-four".