404044404004 has 6 divisors (see below), whose sum is σ = 707077707014. Its totient is φ = 202022202000.

The previous prime is 404044403989. The next prime is 404044404007. The reversal of 404044404004 is 400404440404.

It can be written as a sum of positive squares in only one way, i.e., 403974648100 + 69755904 = 635590^2 + 8352^2 .

It is not an unprimeable number, because it can be changed into a prime (404044404007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505550497 + ... + 50505550504.

Almost surely, 2^404044404004 is an apocalyptic number.

It is an amenable number.

404044404004 is a deficient number, since it is larger than the sum of its proper divisors (303033303010).

404044404004 is a wasteful number, since it uses less digits than its factorization.

404044404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011101005 (or 101011101003 counting only the distinct ones).

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

Adding to 404044404004 its reverse (400404440404), we get a palindrome (804448844408).

It can be divided in two parts, 40404440400 and 4, that added together give a palindrome (40404440404).

The spelling of 404044404004 in words is "four hundred four billion, forty-four million, four hundred four thousand, four".