444564336 has 20 divisors (see below), whose sum is σ = 1148457992. Its totient is φ = 148188096.

The previous prime is 444564319. The next prime is 444564343. The reversal of 444564336 is 633465444.

It is a junction number, because it is equal to n+sod(n) for n = 444564294 and 444564303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4630831 + ... + 4630926.

Almost surely, 2^444564336 is an apocalyptic number.

It is an amenable number.

444564336 is an abundant number, since it is smaller than the sum of its proper divisors (703893656).

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

444564336 is a wasteful number, since it uses less digits than its factorization.

444564336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261768 (or 9261762 counting only the distinct ones).

The product of its digits is 414720, while the sum is 39.

The square root of 444564336 is about 21084.6943539621. The cubic root of 444564336 is about 763.2114429851.

The spelling of 444564336 in words is "four hundred forty-four million, five hundred sixty-four thousand, three hundred thirty-six".