444938680 has 32 divisors (see below), whose sum is σ = 1044640800. Its totient is φ = 170237056.

The previous prime is 444938623. The next prime is 444938699. The reversal of 444938680 is 86839444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 444938680.

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, 240895 + ... + 242734.

It is an arithmetic number, because the mean of its divisors is an integer number (32645025).

Almost surely, 2^444938680 is an apocalyptic number.

444938680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444938680 is an abundant number, since it is smaller than the sum of its proper divisors (599702120).

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

444938680 is a wasteful number, since it uses less digits than its factorization.

444938680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483663 (or 483659 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 444938680 is about 21093.5696362659. The cubic root of 444938680 is about 763.4256028167.

The spelling of 444938680 in words is "four hundred forty-four million, nine hundred thirty-eight thousand, six hundred eighty".