4044440444 has 24 divisors (see below), whose sum is σ = 7722817536. Its totient is φ = 1837998000.

The previous prime is 4044440417. The next prime is 4044440473. The reversal of 4044440444 is 4440444404.

It is a self number, because there is not a number n which added to its sum of digits gives 4044440444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394949 + ... + 405059.

It is an arithmetic number, because the mean of its divisors is an integer number (321784064).

Almost surely, 2^4044440444 is an apocalyptic number.

4044440444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4044440444 is a deficient number, since it is larger than the sum of its proper divisors (3678377092).

4044440444 is a wasteful number, since it uses less digits than its factorization.

4044440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19217 (or 19215 counting only the distinct ones).

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

The square root of 4044440444 is about 63595.9153090825. The cubic root of 4044440444 is about 1593.2581481925.

Adding to 4044440444 its reverse (4440444404), we get a palindrome (8484884848).

The spelling of 4044440444 in words is "four billion, forty-four million, four hundred forty thousand, four hundred forty-four".