464444660 has 12 divisors (see below), whose sum is σ = 975333828. Its totient is φ = 185777856.

The previous prime is 464444653. The next prime is 464444693. The reversal of 464444660 is 66444464.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145250704 + 319193956 = 12052^2 + 17866^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 11611097 + ... + 11611136.

It is an arithmetic number, because the mean of its divisors is an integer number (81277819).

Almost surely, 2^464444660 is an apocalyptic number.

It is an amenable number.

464444660 is an abundant number, since it is smaller than the sum of its proper divisors (510889168).

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

464444660 is a wasteful number, since it uses less digits than its factorization.

464444660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23222242 (or 23222240 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The square root of 464444660 is about 21550.9781680554. The cubic root of 464444660 is about 774.4225514693.

The spelling of 464444660 in words is "four hundred sixty-four million, four hundred forty-four thousand, six hundred sixty".