406646266206 has 32 divisors (see below), whose sum is σ = 821346559488. Its totient is φ = 134206924320.

The previous prime is 406646266163. The next prime is 406646266241. The reversal of 406646266206 is 602662646604.

It is a super-2 number, since 2×406646266206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295780 + ... + 3416936.

It is an arithmetic number, because the mean of its divisors is an integer number (25667079984).

Almost surely, 2^406646266206 is an apocalyptic number.

406646266206 is an abundant number, since it is smaller than the sum of its proper divisors (414700293282).

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

406646266206 is a wasteful number, since it uses less digits than its factorization.

406646266206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126696.

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 406646266206 in words is "four hundred six billion, six hundred forty-six million, two hundred sixty-six thousand, two hundred six".