264402664 has 24 divisors (see below), whose sum is σ = 518255010. Its totient is φ = 126451424.

The previous prime is 264402653. The next prime is 264402667. The reversal of 264402664 is 466204462.

It can be written as a sum of positive squares in only one way, i.e., 251856900 + 12545764 = 15870^2 + 3542^2 .

It is not an unprimeable number, because it can be changed into a prime (264402667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27007 + ... + 35470.

Almost surely, 2^264402664 is an apocalyptic number.

It is an amenable number.

264402664 is a deficient number, since it is larger than the sum of its proper divisors (253852346).

264402664 is a wasteful number, since it uses less digits than its factorization.

264402664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62529 (or 62502 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 264402664 is about 16260.4632160342. The cubic root of 264402664 is about 641.8328514822.

The spelling of 264402664 in words is "two hundred sixty-four million, four hundred two thousand, six hundred sixty-four".