320044444 has 12 divisors (see below), whose sum is σ = 561581944. Its totient is φ = 159592464.

The previous prime is 320044429. The next prime is 320044481. The reversal of 320044444 is 444440023.

It is a super-2 number, since 2×320044444² = 204856892270538272, which contains 22 as substring.

320044444 is a modest number, since divided by 44444 gives 3200 as remainder.

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, 105762 + ... + 108745.

Almost surely, 2^320044444 is an apocalyptic number.

It is an amenable number.

320044444 is a deficient number, since it is larger than the sum of its proper divisors (241537500).

320044444 is a wasteful number, since it uses less digits than its factorization.

320044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214884 (or 214882 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 320044444 is about 17889.7860244330. The cubic root of 320044444 is about 684.0220431094.

Adding to 320044444 its reverse (444440023), we get a palindrome (764484467).

The spelling of 320044444 in words is "three hundred twenty million, forty-four thousand, four hundred forty-four".