400001222100004 has 96 divisors (see below), whose sum is σ = 812226131539200. Its totient is φ = 168828066201600.

The previous prime is 400001222099993. The next prime is 400001222100041.

400001222100004 is nontrivially palindromic in base 10.

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, 4087477227 + ... + 4087575085.

It is an arithmetic number, because the mean of its divisors is an integer number (8460688870200).

Almost surely, 2^{400001222100004} is an apocalyptic number.

It is an amenable number.

400001222100004 is an abundant number, since it is smaller than the sum of its proper divisors (412224909439196).

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

400001222100004 is a wasteful number, since it uses less digits than its factorization.

400001222100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105653 (or 105651 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 400001222100004 in words is "four hundred trillion, one billion, two hundred twenty-two million, one hundred thousand, four".