444444916 has 12 divisors (see below), whose sum is σ = 811595232. Its totient is φ = 212560568.

The previous prime is 444444911. The next prime is 444444929. The reversal of 444444916 is 619444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444911) by changing a digit.

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, 2415370 + ... + 2415553.

It is an arithmetic number, because the mean of its divisors is an integer number (67632936).

Almost surely, 2^444444916 is an apocalyptic number.

444444916 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

444444916 is a deficient number, since it is larger than the sum of its proper divisors (367150316).

444444916 is a wasteful number, since it uses less digits than its factorization.

444444916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830950 (or 4830948 counting only the distinct ones).

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

The square root of 444444916 is about 21081.8622517082. The cubic root of 444444916 is about 763.1430982670.

The spelling of 444444916 in words is "four hundred forty-four million, four hundred forty-four thousand, nine hundred sixteen".