264644130 has 64 divisors (see below), whose sum is σ = 646329600. Its totient is φ = 69341184.

The previous prime is 264644129. The next prime is 264644137. The reversal of 264644130 is 31446462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (264644137) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 578862 + ... + 579318.

It is an arithmetic number, because the mean of its divisors is an integer number (10098900).

Almost surely, 2^264644130 is an apocalyptic number.

264644130 is an abundant number, since it is smaller than the sum of its proper divisors (381685470).

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

264644130 is a wasteful number, since it uses less digits than its factorization.

264644130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 264644130 is about 16267.8864638281. The cubic root of 264644130 is about 642.0281768672.

The spelling of 264644130 in words is "two hundred sixty-four million, six hundred forty-four thousand, one hundred thirty".