444244020 has 96 divisors (see below), whose sum is σ = 1390144896. Its totient is φ = 105062400.

The previous prime is 444244001. The next prime is 444244049. The reversal of 444244020 is 20442444.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 18852 + ... + 35268.

It is an arithmetic number, because the mean of its divisors is an integer number (14480676).

Almost surely, 2^444244020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444244020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695072448).

444244020 is an abundant number, since it is smaller than the sum of its proper divisors (945900876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444244020 is a wasteful number, since it uses less digits than its factorization.

444244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481 (or 16479 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 444244020 is about 21077.0970486925. The cubic root of 444244020 is about 763.0280967628.

Adding to 444244020 its reverse (20442444), we get a palindrome (464686464).

The spelling of 444244020 in words is "four hundred forty-four million, two hundred forty-four thousand, twenty".