406806688998 has 24 divisors (see below), whose sum is σ = 911808097200. Its totient is φ = 130926290544.

The previous prime is 406806688987. The next prime is 406806689017. The reversal of 406806688998 is 899886608604.

406806688998 is a `hidden beast` number, since 406 + 80 + 6 + 68 + 89 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389661058 + ... + 389662101.

It is an arithmetic number, because the mean of its divisors is an integer number (37992004050).

Almost surely, 2^406806688998 is an apocalyptic number.

406806688998 is an abundant number, since it is smaller than the sum of its proper divisors (505001408202).

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

406806688998 is a wasteful number, since it uses less digits than its factorization.

406806688998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779323196 (or 779323193 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 406806688998 in words is "four hundred six billion, eight hundred six million, six hundred eighty-eight thousand, nine hundred ninety-eight".