406596620215 has 4 divisors (see below), whose sum is σ = 487915944264. Its totient is φ = 325277296168.

The previous prime is 406596620207. The next prime is 406596620237. The reversal of 406596620215 is 512026695604.

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

It is a cyclic number.

It is not a de Polignac number, because 406596620215 - 2³ = 406596620207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40659662017 + ... + 40659662026.

It is an arithmetic number, because the mean of its divisors is an integer number (121978986066).

Almost surely, 2^406596620215 is an apocalyptic number.

406596620215 is a deficient number, since it is larger than the sum of its proper divisors (81319324049).

406596620215 is an equidigital number, since it uses as much as digits as its factorization.

406596620215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81319324048.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 406596620215 in words is "four hundred six billion, five hundred ninety-six million, six hundred twenty thousand, two hundred fifteen".