444493382 has 48 divisors (see below), whose sum is σ = 729449280. Its totient is φ = 202782720.

The previous prime is 444493381. The next prime is 444493417. The reversal of 444493382 is 283394444.

It is a Harshad number since it is a multiple of its sum of digits (41).

Its product of digits (331776) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444493381) 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 23 ways as a sum of consecutive naturals, for example, 4582358 + ... + 4582454.

It is an arithmetic number, because the mean of its divisors is an integer number (15196860).

Almost surely, 2^444493382 is an apocalyptic number.

444493382 is a deficient number, since it is larger than the sum of its proper divisors (284955898).

444493382 is a wasteful number, since it uses less digits than its factorization.

444493382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 216 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 444493382 is about 21083.0116918812. The cubic root of 444493382 is about 763.1708370993.

The spelling of 444493382 in words is "four hundred forty-four million, four hundred ninety-three thousand, three hundred eighty-two".