444389072 has 40 divisors (see below), whose sum is σ = 900150720. Its totient is φ = 212129280.

The previous prime is 444389059. The next prime is 444389093. The reversal of 444389072 is 270983444.

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, 297704 + ... + 299192.

It is an arithmetic number, because the mean of its divisors is an integer number (22503768).

Almost surely, 2^444389072 is an apocalyptic number.

It is an amenable number.

444389072 is an abundant number, since it is smaller than the sum of its proper divisors (455761648).

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

444389072 is a wasteful number, since it uses less digits than its factorization.

444389072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 444389072 is about 21080.5377540517. The cubic root of 444389072 is about 763.1111342397. Note that the first 4 decimals are identical.

The spelling of 444389072 in words is "four hundred forty-four million, three hundred eighty-nine thousand, seventy-two".