40044000444 has 24 divisors (see below), whose sum is σ = 106784001408. Its totient is φ = 11441142960.

The previous prime is 40044000433. The next prime is 40044000461. The reversal of 40044000444 is 44400044004.

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, 238357062 + ... + 238357229.

It is an arithmetic number, because the mean of its divisors is an integer number (4449333392).

Almost surely, 2^40044000444 is an apocalyptic number.

It is an amenable number.

40044000444 is an abundant number, since it is smaller than the sum of its proper divisors (66740000964).

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

40044000444 is a wasteful number, since it uses less digits than its factorization.

40044000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476714305 (or 476714303 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40044000444 its reverse (44400044004), we get a palindrome (84444044448).

The spelling of 40044000444 in words is "forty billion, forty-four million, four hundred forty-four", and thus it is an aban number.