404036400004 has 6 divisors (see below), whose sum is σ = 707063700014. Its totient is φ = 202018200000.

The previous prime is 404036399993. The next prime is 404036400013. The reversal of 404036400004 is 400004630404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 371185562500 + 32850837504 = 609250^2 + 181248^2 .

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, 50504549997 + ... + 50504550004.

Almost surely, 2^404036400004 is an apocalyptic number.

It is an amenable number.

404036400004 is a deficient number, since it is larger than the sum of its proper divisors (303027300010).

404036400004 is a wasteful number, since it uses less digits than its factorization.

404036400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101009100005 (or 101009100003 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The spelling of 404036400004 in words is "four hundred four billion, thirty-six million, four hundred thousand, four".