406064068420 has 48 divisors (see below), whose sum is σ = 855454763520. Its totient is φ = 161907823616.

The previous prime is 406064068411. The next prime is 406064068439. The reversal of 406064068420 is 24860460604.

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, 23705979 + ... + 23723101.

It is an arithmetic number, because the mean of its divisors is an integer number (17821974240).

Almost surely, 2^406064068420 is an apocalyptic number.

It is an amenable number.

406064068420 is an abundant number, since it is smaller than the sum of its proper divisors (449390695100).

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

406064068420 is a wasteful number, since it uses less digits than its factorization.

406064068420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20844 (or 20842 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 406064068420 in words is "four hundred six billion, sixty-four million, sixty-eight thousand, four hundred twenty".