444173980 has 24 divisors (see below), whose sum is σ = 933318288. Its totient is φ = 177564288.

The previous prime is 444173969. The next prime is 444173987. The reversal of 444173980 is 89371444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444173987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34152 + ... + 45328.

It is an arithmetic number, because the mean of its divisors is an integer number (38888262).

Almost surely, 2^444173980 is an apocalyptic number.

It is an amenable number.

444173980 is an abundant number, since it is smaller than the sum of its proper divisors (489144308).

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

444173980 is a wasteful number, since it uses less digits than its factorization.

444173980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13173 (or 13171 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 444173980 is about 21075.4354640657. The cubic root of 444173980 is about 762.9879947061.

The spelling of 444173980 in words is "four hundred forty-four million, one hundred seventy-three thousand, nine hundred eighty".