400402104012209 has 32 divisors (see below), whose sum is σ = 459614870265600. Its totient is φ = 345748964520960.

The previous prime is 400402104012179. The next prime is 400402104012223. The reversal of 400402104012209 is 902210401204004.

It is not a de Polignac number, because 400402104012209 - 2²⁸ = 400401835576753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400402104062209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4076189 + ... + 28590549.

It is an arithmetic number, because the mean of its divisors is an integer number (14362964695800).

Almost surely, 2^{400402104012209} is an apocalyptic number.

It is an amenable number.

400402104012209 is a deficient number, since it is larger than the sum of its proper divisors (59212766253391).

400402104012209 is a wasteful number, since it uses less digits than its factorization.

400402104012209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24515225.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 400402104012209 in words is "four hundred trillion, four hundred two billion, one hundred four million, twelve thousand, two hundred nine".