40004444444 has 12 divisors (see below), whose sum is σ = 73692397800. Its totient is φ = 18949473648.

The previous prime is 40004444443. The next prime is 40004444453. The reversal of 40004444444 is 44444440004.

40004444444 is a modest number, since divided by 444444 gives 40004 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 40004444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004444443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263187059 + ... + 263187210.

It is an arithmetic number, because the mean of its divisors is an integer number (6141033150).

Almost surely, 2^40004444444 is an apocalyptic number.

It is an amenable number.

40004444444 is a deficient number, since it is larger than the sum of its proper divisors (33687953356).

40004444444 is a wasteful number, since it uses less digits than its factorization.

40004444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526374292 (or 526374290 counting only the distinct ones).

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

Adding to 40004444444 its reverse (44444440004), we get a palindrome (84448884448).

It can be divided in two parts, 4000 and 4444444, that added together give a palindrome (4448444).

The spelling of 40004444444 in words is "forty billion, four million, four hundred forty-four thousand, four hundred forty-four".