4440402464 has 24 divisors (see below), whose sum is σ = 8773170588. Its totient is φ = 2212295680.

The previous prime is 4440402457. The next prime is 4440402509. The reversal of 4440402464 is 4642040444.

It can be written as a sum of positive squares in 2 ways, for example, as 4368152464 + 72250000 = 66092^2 + 8500^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 4440402464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237917 + ... + 255900.

Almost surely, 2^4440402464 is an apocalyptic number.

It is an amenable number.

4440402464 is a deficient number, since it is larger than the sum of its proper divisors (4332768124).

4440402464 is a wasteful number, since it uses less digits than its factorization.

4440402464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494108 (or 494100 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

The square root of 4440402464 is about 66636.3449177699. The cubic root of 4440402464 is about 1643.6428126668.

The spelling of 4440402464 in words is "four billion, four hundred forty million, four hundred two thousand, four hundred sixty-four".