404036400009 has 16 divisors (see below), whose sum is σ = 587727544320. Its totient is φ = 244854614160.

The previous prime is 404036399993. The next prime is 404036400013. The reversal of 404036400009 is 900004630404.

It is not a de Polignac number, because 404036400009 - 2⁴ = 404036399993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404036400709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126964 + ... + 907850.

It is an arithmetic number, because the mean of its divisors is an integer number (36732971520).

Almost surely, 2^404036400009 is an apocalyptic number.

It is an amenable number.

404036400009 is a deficient number, since it is larger than the sum of its proper divisors (183691144311).

404036400009 is a wasteful number, since it uses less digits than its factorization.

404036400009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796580.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 404036400009 in words is "four hundred four billion, thirty-six million, four hundred thousand, nine".