464442664 has 16 divisors (see below), whose sum is σ = 995234400. Its totient is φ = 199046832.

The previous prime is 464442661. The next prime is 464442679. The reversal of 464442664 is 466244464.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (464442661) 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, 4146754 + ... + 4146865.

It is an arithmetic number, because the mean of its divisors is an integer number (62202150).

Almost surely, 2^464442664 is an apocalyptic number.

It is an amenable number.

464442664 is an abundant number, since it is smaller than the sum of its proper divisors (530791736).

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

464442664 is a wasteful number, since it uses less digits than its factorization.

464442664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293632 (or 8293628 counting only the distinct ones).

The product of its digits is 442368, while the sum is 40.

The square root of 464442664 is about 21550.9318592027. The cubic root of 464442664 is about 774.4214420801.

The spelling of 464442664 in words is "four hundred sixty-four million, four hundred forty-two thousand, six hundred sixty-four".