406228664408 has 32 divisors (see below), whose sum is σ = 871731862560. Its totient is φ = 173849625600.

The previous prime is 406228664383. The next prime is 406228664411. The reversal of 406228664408 is 804466822604.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5134841 + ... + 5213352.

It is an arithmetic number, because the mean of its divisors is an integer number (27241620705).

Almost surely, 2^406228664408 is an apocalyptic number.

It is an amenable number.

406228664408 is an abundant number, since it is smaller than the sum of its proper divisors (465503198152).

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

406228664408 is a wasteful number, since it uses less digits than its factorization.

406228664408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348907 (or 10348903 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 406228664408 in words is "four hundred six billion, two hundred twenty-eight million, six hundred sixty-four thousand, four hundred eight".