444189244 has 24 divisors (see below), whose sum is σ = 797328000. Its totient is φ = 216395520.

The previous prime is 444189241. The next prime is 444189313. The reversal of 444189244 is 442981444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444189197 and 444189206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444189241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183957 + ... + 186355.

It is an arithmetic number, because the mean of its divisors is an integer number (33222000).

Almost surely, 2^444189244 is an apocalyptic number.

It is an amenable number.

444189244 is a deficient number, since it is larger than the sum of its proper divisors (353138756).

444189244 is a wasteful number, since it uses less digits than its factorization.

444189244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3571 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 444189244 is about 21075.7975887035. The cubic root of 444189244 is about 762.9967346112.

The spelling of 444189244 in words is "four hundred forty-four million, one hundred eighty-nine thousand, two hundred forty-four".