444039218 has 16 divisors (see below), whose sum is σ = 805987584. Its totient is φ = 179108160.

The previous prime is 444039209. The next prime is 444039341. The reversal of 444039218 is 812930444.

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 7 ways as a sum of consecutive naturals, for example, 932618 + ... + 933093.

It is an arithmetic number, because the mean of its divisors is an integer number (50374224).

Almost surely, 2^444039218 is an apocalyptic number.

444039218 is a deficient number, since it is larger than the sum of its proper divisors (361948366).

444039218 is a wasteful number, since it uses less digits than its factorization.

444039218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865737.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 444039218 is about 21072.2380871136. The cubic root of 444039218 is about 762.9108236025.

The spelling of 444039218 in words is "four hundred forty-four million, thirty-nine thousand, two hundred eighteen".