4440404444 has 12 divisors (see below), whose sum is σ = 8880808944. Its totient is φ = 1903030464.

The previous prime is 4440404387. The next prime is 4440404453. The reversal of 4440404444 is 4444040444.

4440404444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440404444.

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, 79292909 + ... + 79292964.

It is an arithmetic number, because the mean of its divisors is an integer number (740067412).

Almost surely, 2^4440404444 is an apocalyptic number.

It is an amenable number.

4440404444 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.

4440404444 is a wasteful number, since it uses less digits than its factorization.

4440404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158585884 (or 158585882 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 4440404444 is about 66636.3597745255. The cubic root of 4440404444 is about 1643.6430569699.

Adding to 4440404444 its reverse (4444040444), we get a palindrome (8884444888).

The spelling of 4440404444 in words is "four billion, four hundred forty million, four hundred four thousand, four hundred forty-four".