406266498223 has 4 divisors (see below), whose sum is σ = 406333889640. Its totient is φ = 406199106808.

The previous prime is 406266498173. The next prime is 406266498233. The reversal of 406266498223 is 322894662604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406266498223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406266498233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33686665 + ... + 33698722.

It is an arithmetic number, because the mean of its divisors is an integer number (101583472410).

Almost surely, 2^406266498223 is an apocalyptic number.

406266498223 is a deficient number, since it is larger than the sum of its proper divisors (67391417).

406266498223 is an equidigital number, since it uses as much as digits as its factorization.

406266498223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67391416.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 406266498223 in words is "four hundred six billion, two hundred sixty-six million, four hundred ninety-eight thousand, two hundred twenty-three".