444451444 has 12 divisors (see below), whose sum is σ = 781188100. Its totient is φ = 221254848.

The previous prime is 444451421. The next prime is 444451453. The reversal of 444451444 is 444154444.

It can be written as a sum of positive squares in 2 ways, for example, as 382671844 + 61779600 = 19562^2 + 7860^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241689 + ... + 243520.

Almost surely, 2^444451444 is an apocalyptic number.

It is an amenable number.

444451444 is a deficient number, since it is larger than the sum of its proper divisors (336736656).

444451444 is a wasteful number, since it uses less digits than its factorization.

444451444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485442 (or 485440 counting only the distinct ones).

The product of its digits is 81920, while the sum is 34.

The square root of 444451444 is about 21082.0170761718. The cubic root of 444451444 is about 763.1468345933.

The spelling of 444451444 in words is "four hundred forty-four million, four hundred fifty-one thousand, four hundred forty-four".