406646000646604 has 96 divisors (see below), whose sum is σ = 785560691446272. Its totient is φ = 183341690880000.

The previous prime is 406646000646601. The next prime is 406646000646631.

It is a happy number.

406646000646604 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (406646000646601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2946790632 + ... + 2946928624.

It is an arithmetic number, because the mean of its divisors is an integer number (8182923869232).

Almost surely, 2^{406646000646604} is an apocalyptic number.

It is an amenable number.

406646000646604 is a deficient number, since it is larger than the sum of its proper divisors (378914690799668).

406646000646604 is a wasteful number, since it uses less digits than its factorization.

406646000646604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151987 (or 151985 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 406646000646604 in words is "four hundred six trillion, six hundred forty-six billion, six hundred forty-six thousand, six hundred four".