406709964940 has 12 divisors (see below), whose sum is σ = 854090926416. Its totient is φ = 162683985968.

The previous prime is 406709964937. The next prime is 406709965019. The reversal of 406709964940 is 49469907604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10167749104 + ... + 10167749143.

It is an arithmetic number, because the mean of its divisors is an integer number (71174243868).

Almost surely, 2^406709964940 is an apocalyptic number.

It is an amenable number.

406709964940 is an abundant number, since it is smaller than the sum of its proper divisors (447380961476).

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

406709964940 is a wasteful number, since it uses less digits than its factorization.

406709964940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20335498256 (or 20335498254 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 406709964940 in words is "four hundred six billion, seven hundred nine million, nine hundred sixty-four thousand, nine hundred forty".