409427118 has 12 divisors (see below), whose sum is σ = 887092128. Its totient is φ = 136475700.

The previous prime is 409427113. The next prime is 409427129. The reversal of 409427118 is 811724904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409427113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11372958 + ... + 11372993.

It is an arithmetic number, because the mean of its divisors is an integer number (73924344).

Almost surely, 2^409427118 is an apocalyptic number.

409427118 is an abundant number, since it is smaller than the sum of its proper divisors (477665010).

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

409427118 is a wasteful number, since it uses less digits than its factorization.

409427118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22745959 (or 22745956 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 409427118 is about 20234.3054736257. The cubic root of 409427118 is about 742.5497133670.

The spelling of 409427118 in words is "four hundred nine million, four hundred twenty-seven thousand, one hundred eighteen".