444391444 has 12 divisors (see below), whose sum is σ = 888782944. Its totient is φ = 190453464.

The previous prime is 444391433. The next prime is 444391459. The reversal of 444391444 is 444193444.

444391444 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7935534 + ... + 7935589.

Almost surely, 2^444391444 is an apocalyptic number.

It is an amenable number.

444391444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444391444 is a wasteful number, since it uses less digits than its factorization.

444391444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871134 (or 15871132 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 444391444 is about 21080.5940144010. The cubic root of 444391444 is about 763.1124919812.

The spelling of 444391444 in words is "four hundred forty-four million, three hundred ninety-one thousand, four hundred forty-four".