400000108 has 12 divisors (see below), whose sum is σ = 700413112. Its totient is φ = 199882080.

The previous prime is 400000091. The next prime is 400000109. The reversal of 400000108 is 801000004.

It is not an unprimeable number, because it can be changed into a prime (400000109) 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, 21633 + ... + 35608.

Almost surely, 2^400000108 is an apocalyptic number.

It is an amenable number.

400000108 is a deficient number, since it is larger than the sum of its proper divisors (300413004).

400000108 is a wasteful number, since it uses less digits than its factorization.

400000108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58992 (or 58990 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 400000108 is about 20000.0026999998. The cubic root of 400000108 is about 736.8063660406.

The spelling of 400000108 in words is "four hundred million, one hundred eight", and thus it is an aban number.