444413980 has 24 divisors (see below), whose sum is σ = 965452320. Its totient is φ = 171635520.

The previous prime is 444413953. The next prime is 444414007. The reversal of 444413980 is 89314444.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (444413953) and next prime (444414007).

It is a congruent number.

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, 382536 + ... + 383695.

It is an arithmetic number, because the mean of its divisors is an integer number (40227180).

Almost surely, 2^444413980 is an apocalyptic number.

It is an amenable number.

444413980 is an abundant number, since it is smaller than the sum of its proper divisors (521038340).

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

444413980 is a wasteful number, since it uses less digits than its factorization.

444413980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766269 (or 766267 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 444413980 is about 21081.1285276666. The cubic root of 444413980 is about 763.1253914288.

The spelling of 444413980 in words is "four hundred forty-four million, four hundred thirteen thousand, nine hundred eighty".