444440444408 has 16 divisors (see below), whose sum is σ = 836040254280. Its totient is φ = 221496376608.

The previous prime is 444440444389. The next prime is 444440444417. The reversal of 444440444408 is 804444044444.

It is a happy number.

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, 90478091 + ... + 90483002.

Almost surely, 2^444440444408 is an apocalyptic number.

It is an amenable number.

444440444408 is a deficient number, since it is larger than the sum of its proper divisors (391599809872).

444440444408 is a wasteful number, since it uses less digits than its factorization.

444440444408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180961406 (or 180961402 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

The spelling of 444440444408 in words is "four hundred forty-four billion, four hundred forty million, four hundred forty-four thousand, four hundred eight".