400402104012210 has 64 divisors (see below), whose sum is σ = 977363443123200. Its totient is φ = 104952261239232.

The previous prime is 400402104012179. The next prime is 400402104012223. The reversal of 400402104012210 is 12210401204004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2784147 + ... + 28435113.

It is an arithmetic number, because the mean of its divisors is an integer number (15271303798800).

Almost surely, 2^{400402104012210} is an apocalyptic number.

400402104012210 is an abundant number, since it is smaller than the sum of its proper divisors (576961339110990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400402104012210 is a wasteful number, since it uses less digits than its factorization.

400402104012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25659855.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 400402104012210 its reverse (12210401204004), we get a palindrome (412612505216214).

The spelling of 400402104012210 in words is "four hundred trillion, four hundred two billion, one hundred four million, twelve thousand, two hundred ten".