404404000004 has 6 divisors (see below), whose sum is σ = 707707000014. Its totient is φ = 202202000000.

The previous prime is 404403999991. The next prime is 404404000027. The reversal of 404404000004 is 400000404404.

It can be written as a sum of positive squares in only one way, i.e., 369955897600 + 34448102404 = 608240^2 + 185602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404404000004.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50550499997 + ... + 50550500004.

It is an arithmetic number, because the mean of its divisors is an integer number (117951166669).

Almost surely, 2^404404000004 is an apocalyptic number.

It is an amenable number.

404404000004 is a deficient number, since it is larger than the sum of its proper divisors (303303000010).

404404000004 is a wasteful number, since it uses less digits than its factorization.

404404000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101101000005 (or 101101000003 counting only the distinct ones).

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

Adding to 404404000004 its reverse (400000404404), we get a palindrome (804404404408).

The spelling of 404404000004 in words is "four hundred four billion, four hundred four million, four", and thus it is an aban number.