40004000444 has 12 divisors (see below), whose sum is σ = 70398102600. Its totient is φ = 19890256848.

The previous prime is 40004000431. The next prime is 40004000459. The reversal of 40004000444 is 44400040004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27935039 + ... + 27936470.

It is an arithmetic number, because the mean of its divisors is an integer number (5866508550).

Almost surely, 2^40004000444 is an apocalyptic number.

It is an amenable number.

40004000444 is a deficient number, since it is larger than the sum of its proper divisors (30394102156).

40004000444 is a wasteful number, since it uses less digits than its factorization.

40004000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55871692 (or 55871690 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40004000444 its reverse (44400040004), we get a palindrome (84404040448).

The spelling of 40004000444 in words is "forty billion, four million, four hundred forty-four", and thus it is an aban number.