444626444 has 24 divisors (see below), whose sum is σ = 784143360. Its totient is φ = 220593024.

The previous prime is 444626401. The next prime is 444626461.

444626444 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444626398 and 444626407.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 346997 + ... + 348275.

It is an arithmetic number, because the mean of its divisors is an integer number (32672640).

Almost surely, 2^444626444 is an apocalyptic number.

It is an amenable number.

444626444 is a deficient number, since it is larger than the sum of its proper divisors (339516916).

444626444 is a wasteful number, since it uses less digits than its factorization.

444626444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1887 counting only the distinct ones).

The product of its digits is 294912, while the sum is 38.

The square root of 444626444 is about 21086.1671244444. The cubic root of 444626444 is about 763.2469828948.

The spelling of 444626444 in words is "four hundred forty-four million, six hundred twenty-six thousand, four hundred forty-four".