444439994 has 32 divisors (see below), whose sum is σ = 721751040. Its totient is φ = 204652800.

The previous prime is 444439951. The next prime is 444440021. The reversal of 444439994 is 499934444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325874 + ... + 327234.

It is an arithmetic number, because the mean of its divisors is an integer number (22554720).

Almost surely, 2^444439994 is an apocalyptic number.

444439994 is a deficient number, since it is larger than the sum of its proper divisors (277311046).

444439994 is a wasteful number, since it uses less digits than its factorization.

444439994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its digits is 2239488, while the sum is 50.

The square root of 444439994 is about 21081.7455159671. The cubic root of 444439994 is about 763.1402811168.

The spelling of 444439994 in words is "four hundred forty-four million, four hundred thirty-nine thousand, nine hundred ninety-four".