4442443444 has 12 divisors (see below), whose sum is σ = 7776915300. Its totient is φ = 2220467648.

The previous prime is 4442443373. The next prime is 4442443459. The reversal of 4442443444 is 4443442444.

It can be written as a sum of positive squares in 2 ways, for example, as 134096400 + 4308347044 = 11580^2 + 65638^2 .

It is a super-2 number, since 2×4442443444² = 39470607506277162272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175159 + ... + 198910.

It is an arithmetic number, because the mean of its divisors is an integer number (648076275).

Almost surely, 2^4442443444 is an apocalyptic number.

It is an amenable number.

4442443444 is a deficient number, since it is larger than the sum of its proper divisors (3334471856).

4442443444 is a wasteful number, since it uses less digits than its factorization.

4442443444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377042 (or 377040 counting only the distinct ones).

The product of its digits is 393216, while the sum is 37.

The square root of 4442443444 is about 66651.6574737643. The cubic root of 4442443444 is about 1643.8946012747.

Adding to 4442443444 its reverse (4443442444), we get a palindrome (8885885888).

The spelling of 4442443444 in words is "four billion, four hundred forty-two million, four hundred forty-three thousand, four hundred forty-four".