44400444004 has 24 divisors (see below), whose sum is σ = 88808061888. Its totient is φ = 19027224480.

The previous prime is 44400443929. The next prime is 44400444061. The reversal of 44400444004 is 40044400444.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 331614 + ... + 445834.

It is an arithmetic number, because the mean of its divisors is an integer number (3700335912).

Almost surely, 2^44400444004 is an apocalyptic number.

It is an amenable number.

44400444004 is an abundant number, since it is smaller than the sum of its proper divisors (44407617884).

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

44400444004 is a wasteful number, since it uses less digits than its factorization.

44400444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128115 (or 128113 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44400444004 its reverse (40044400444), we get a palindrome (84444844448).

The spelling of 44400444004 in words is "forty-four billion, four hundred million, four hundred forty-four thousand, four".