489442444 has 12 divisors (see below), whose sum is σ = 906908184. Its totient is φ = 230325824.

The previous prime is 489442441. The next prime is 489442487. The reversal of 489442444 is 444244984.

It is a self number, because there is not a number n which added to its sum of digits gives 489442444.

It is not an unprimeable number, because it can be changed into a prime (489442441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3598774 + ... + 3598909.

It is an arithmetic number, because the mean of its divisors is an integer number (75575682).

Almost surely, 2^489442444 is an apocalyptic number.

It is an amenable number.

489442444 is a deficient number, since it is larger than the sum of its proper divisors (417465740).

489442444 is a wasteful number, since it uses less digits than its factorization.

489442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197704 (or 7197702 counting only the distinct ones).

The product of its digits is 589824, while the sum is 43.

The square root of 489442444 is about 22123.3461302760. The cubic root of 489442444 is about 788.0743807927.

The spelling of 489442444 in words is "four hundred eighty-nine million, four hundred forty-two thousand, four hundred forty-four".