444348868 has 24 divisors (see below), whose sum is σ = 815032512. Its totient is φ = 211568544.

The previous prime is 444348847. The next prime is 444348889. The reversal of 444348868 is 868843444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444348847) and next prime (444348889).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10246 + ... + 31522.

It is an arithmetic number, because the mean of its divisors is an integer number (33959688).

Almost surely, 2^444348868 is an apocalyptic number.

It is an amenable number.

444348868 is a deficient number, since it is larger than the sum of its proper divisors (370683644).

444348868 is a wasteful number, since it uses less digits than its factorization.

444348868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21531 (or 21529 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 49.

The square root of 444348868 is about 21079.5841514960. The cubic root of 444348868 is about 763.0881205885.

The spelling of 444348868 in words is "four hundred forty-four million, three hundred forty-eight thousand, eight hundred sixty-eight".