406815068 has 36 divisors (see below), whose sum is σ = 797345640. Its totient is φ = 181415520.

The previous prime is 406815011. The next prime is 406815091. The reversal of 406815068 is 860518604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17723 + ... + 33581.

It is an arithmetic number, because the mean of its divisors is an integer number (22148490).

Almost surely, 2^406815068 is an apocalyptic number.

It is an amenable number.

406815068 is a deficient number, since it is larger than the sum of its proper divisors (390530572).

406815068 is a wasteful number, since it uses less digits than its factorization.

406815068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938 (or 15925 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 406815068 is about 20169.6571116120. The cubic root of 406815068 is about 740.9672450361.

The spelling of 406815068 in words is "four hundred six million, eight hundred fifteen thousand, sixty-eight".