444631468 has 12 divisors (see below), whose sum is σ = 794660832. Its totient is φ = 217585520.

The previous prime is 444631463. The next prime is 444631519. The reversal of 444631468 is 864136444.

It is a self number, because there is not a number n which added to its sum of digits gives 444631468.

It is not an unprimeable number, because it can be changed into a prime (444631463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182343 + ... + 1182718.

It is an arithmetic number, because the mean of its divisors is an integer number (66221736).

Almost surely, 2^444631468 is an apocalyptic number.

It is an amenable number.

444631468 is a deficient number, since it is larger than the sum of its proper divisors (350029364).

444631468 is a wasteful number, since it uses less digits than its factorization.

444631468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365112 (or 2365110 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 444631468 is about 21086.2862543408. The cubic root of 444631468 is about 763.2498576214.

The spelling of 444631468 in words is "four hundred forty-four million, six hundred thirty-one thousand, four hundred sixty-eight".