406818068 has 12 divisors (see below), whose sum is σ = 712092192. Its totient is φ = 203363160.

The previous prime is 406818067. The next prime is 406818073. The reversal of 406818068 is 860818604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406818067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563 + ... + 32493.

It is an arithmetic number, because the mean of its divisors is an integer number (59341016).

Almost surely, 2^406818068 is an apocalyptic number.

It is an amenable number.

406818068 is a deficient number, since it is larger than the sum of its proper divisors (305274124).

406818068 is a wasteful number, since it uses less digits than its factorization.

406818068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22942 (or 22940 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 406818068 is about 20169.7314806122. The cubic root of 406818068 is about 740.9690664176.

The spelling of 406818068 in words is "four hundred six million, eight hundred eighteen thousand, sixty-eight".