444020444 has 12 divisors (see below), whose sum is σ = 888040944. Its totient is φ = 190294464.

The previous prime is 444020441. The next prime is 444020477.

It is a happy number.

444020444 is nontrivially palindromic in base 10.

444020444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444020441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7928909 + ... + 7928964.

It is an arithmetic number, because the mean of its divisors is an integer number (74003412).

Almost surely, 2^444020444 is an apocalyptic number.

It is an amenable number.

444020444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

444020444 is a wasteful number, since it uses less digits than its factorization.

444020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15857884 (or 15857882 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 444020444 is about 21071.7926147730. The cubic root of 444020444 is about 762.9000714819.

The spelling of 444020444 in words is "four hundred forty-four million, twenty thousand, four hundred forty-four".