444604064 has 36 divisors (see below), whose sum is σ = 882231966. Its totient is φ = 220557312.

The previous prime is 444604063. The next prime is 444604073. The reversal of 444604064 is 460406444.

It can be written as a sum of positive squares in 3 ways, for example, as 285339664 + 159264400 = 16892^2 + 12620^2 .

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 444604064.

It is not an unprimeable number, because it can be changed into a prime (444604063) 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, 1191782 + ... + 1192154.

Almost surely, 2^444604064 is an apocalyptic number.

It is an amenable number.

444604064 is a deficient number, since it is larger than the sum of its proper divisors (437627902).

444604064 is an equidigital number, since it uses as much as digits as its factorization.

444604064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 444604064 is about 21085.6364381064. The cubic root of 444604064 is about 763.2341768233.

The spelling of 444604064 in words is "four hundred forty-four million, six hundred four thousand, sixty-four".