40004444404 has 24 divisors (see below), whose sum is σ = 75341068488. Its totient is φ = 18517002240.

The previous prime is 40004444401. The next prime is 40004444443. The reversal of 40004444404 is 40444440004.

It can be written as a sum of positive squares in 4 ways, for example, as 156300004 + 39848144400 = 12502^2 + 199620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004444401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4817989 + ... + 4826284.

It is an arithmetic number, because the mean of its divisors is an integer number (3139211187).

Almost surely, 2^40004444404 is an apocalyptic number.

It is an amenable number.

40004444404 is a deficient number, since it is larger than the sum of its proper divisors (35336624084).

40004444404 is a wasteful number, since it uses less digits than its factorization.

40004444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644355 (or 9644353 counting only the distinct ones).

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

Adding to 40004444404 its reverse (40444440004), we get a palindrome (80448884408).

The spelling of 40004444404 in words is "forty billion, four million, four hundred forty-four thousand, four hundred four".