444973625 has 8 divisors (see below), whose sum is σ = 555327240. Its totient is φ = 355978800.

The previous prime is 444973619. The next prime is 444973649. The reversal of 444973625 is 526379444.

It can be written as a sum of positive squares in 4 ways, for example, as 16152361 + 428821264 = 4019^2 + 20708^2 .

It is not a de Polignac number, because 444973625 - 2¹⁰ = 444972601 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779770 + ... + 1780019.

It is an arithmetic number, because the mean of its divisors is an integer number (69415905).

Almost surely, 2^444973625 is an apocalyptic number.

It is an amenable number.

444973625 is a deficient number, since it is larger than the sum of its proper divisors (110353615).

444973625 is an equidigital number, since it uses as much as digits as its factorization.

444973625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559804 (or 3559794 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 444973625 is about 21094.3979530111. The cubic root of 444973625 is about 763.4455884990.

The spelling of 444973625 in words is "four hundred forty-four million, nine hundred seventy-three thousand, six hundred twenty-five".