40004440444 has 24 divisors (see below), whose sum is σ = 70323624000. Its totient is φ = 19912032000.

The previous prime is 40004440391. The next prime is 40004440447. The reversal of 40004440444 is 44404440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004440447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4439944 + ... + 4448944.

It is an arithmetic number, because the mean of its divisors is an integer number (2930151000).

Almost surely, 2^40004440444 is an apocalyptic number.

It is an amenable number.

40004440444 is a deficient number, since it is larger than the sum of its proper divisors (30319183556).

40004440444 is a wasteful number, since it uses less digits than its factorization.

40004440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893 (or 13891 counting only the distinct ones).

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

Adding to 40004440444 its reverse (44404440004), we get a palindrome (84408880448).

It can be divided in two parts, 4000 and 4440444, that added together give a palindrome (4444444).

The spelling of 40004440444 in words is "forty billion, four million, four hundred forty thousand, four hundred forty-four".