444775465 has 36 divisors (see below), whose sum is σ = 585385164. Its totient is φ = 324358272.

The previous prime is 444775447. The next prime is 444775489. The reversal of 444775465 is 564577444.

It can be written as a sum of positive squares in 6 ways, for example, as 22924944 + 421850521 = 4788^2 + 20539^2 .

It is not a de Polignac number, because 444775465 - 2⁵ = 444775433 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 35 ways as a sum of consecutive naturals, for example, 1517859 + ... + 1518151.

It is an arithmetic number, because the mean of its divisors is an integer number (16260699).

Almost surely, 2^444775465 is an apocalyptic number.

It is an amenable number.

444775465 is a deficient number, since it is larger than the sum of its proper divisors (140609699).

444775465 is a wasteful number, since it uses less digits than its factorization.

444775465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 346 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 46.

The square root of 444775465 is about 21089.7004483231. The cubic root of 444775465 is about 763.3322433237.

The spelling of 444775465 in words is "four hundred forty-four million, seven hundred seventy-five thousand, four hundred sixty-five".