406908064068 has 192 divisors, whose sum is σ = 1060222141440. Its totient is φ = 120435827200.

The previous prime is 406908064049. The next prime is 406908064099. The reversal of 406908064068 is 860460809604.

It is a self number, because there is not a number n which added to its sum of digits gives 406908064068.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 730534846 + ... + 730535402.

It is an arithmetic number, because the mean of its divisors is an integer number (5521990320).

Almost surely, 2^406908064068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406908064068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530111070720).

406908064068 is an abundant number, since it is smaller than the sum of its proper divisors (653314077372).

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

406908064068 is a wasteful number, since it uses less digits than its factorization.

406908064068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 406908064068 in words is "four hundred six billion, nine hundred eight million, sixty-four thousand, sixty-eight".