444172940380 has 24 divisors (see below), whose sum is σ = 1004514188832. Its totient is φ = 164002316352.

The previous prime is 444172940359. The next prime is 444172940443. The reversal of 444172940380 is 83049271444.

It is a self number, because there is not a number n which added to its sum of digits gives 444172940380.

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, 854178472 + ... + 854178991.

It is an arithmetic number, because the mean of its divisors is an integer number (41854757868).

Almost surely, 2^444172940380 is an apocalyptic number.

It is an amenable number.

444172940380 is an abundant number, since it is smaller than the sum of its proper divisors (560341248452).

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

444172940380 is a wasteful number, since it uses less digits than its factorization.

444172940380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708357485 (or 1708357483 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 444172940380 in words is "four hundred forty-four billion, one hundred seventy-two million, nine hundred forty thousand, three hundred eighty".