440000400404 has 6 divisors (see below), whose sum is σ = 770000700714. Its totient is φ = 220000200200.

The previous prime is 440000400377. The next prime is 440000400407. The reversal of 440000400404 is 404004000044.

It can be written as a sum of positive squares in only one way, i.e., 385032660100 + 54967740304 = 620510^2 + 234452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000400407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000050047 + ... + 55000050054.

It is an arithmetic number, because the mean of its divisors is an integer number (128333450119).

Almost surely, 2^440000400404 is an apocalyptic number.

It is an amenable number.

440000400404 is a deficient number, since it is larger than the sum of its proper divisors (330000300310).

440000400404 is a wasteful number, since it uses less digits than its factorization.

440000400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000100105 (or 110000100103 counting only the distinct ones).

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

Adding to 440000400404 its reverse (404004000044), we get a palindrome (844004400448).

The spelling of 440000400404 in words is "four hundred forty billion, four hundred thousand, four hundred four".