444675385 has 16 divisors (see below), whose sum is σ = 665281152. Its totient is φ = 277200000.

The previous prime is 444675359. The next prime is 444675397. The reversal of 444675385 is 583576444.

It is a de Polignac number, because none of the positive numbers 2^k-444675385 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 577116 + ... + 577885.

It is an arithmetic number, because the mean of its divisors is an integer number (41580072).

Almost surely, 2^444675385 is an apocalyptic number.

It is an amenable number.

444675385 is a deficient number, since it is larger than the sum of its proper divisors (220605767).

444675385 is a wasteful number, since it uses less digits than its factorization.

444675385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155024.

The product of its digits is 1612800, while the sum is 46.

The square root of 444675385 is about 21087.3275926562. The cubic root of 444675385 is about 763.2749859527.

The spelling of 444675385 in words is "four hundred forty-four million, six hundred seventy-five thousand, three hundred eighty-five".