444989444 has 12 divisors (see below), whose sum is σ = 778980300. Its totient is φ = 222423648.

The previous prime is 444989437. The next prime is 444989453.

444989444 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 165431044 + 279558400 = 12862^2 + 16720^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444989392 and 444989401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159 + ... + 29910.

It is an arithmetic number, because the mean of its divisors is an integer number (64915025).

Almost surely, 2^444989444 is an apocalyptic number.

It is an amenable number.

444989444 is a deficient number, since it is larger than the sum of its proper divisors (333990856).

444989444 is a wasteful number, since it uses less digits than its factorization.

444989444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35542 (or 35540 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The square root of 444989444 is about 21094.7729070497. The cubic root of 444989444 is about 763.4546353293.

The spelling of 444989444 in words is "four hundred forty-four million, nine hundred eighty-nine thousand, four hundred forty-four".