409115712 has 56 divisors (see below), whose sum is σ = 1108874592. Its totient is φ = 133043200.

The previous prime is 409115701. The next prime is 409115713. The reversal of 409115712 is 217511904.

It is a self number, because there is not a number n which added to its sum of digits gives 409115712.

It is not an unprimeable number, because it can be changed into a prime (409115713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18114 + ... + 33857.

It is an arithmetic number, because the mean of its divisors is an integer number (19801332).

Almost surely, 2^409115712 is an apocalyptic number.

It is an amenable number.

409115712 is an abundant number, since it is smaller than the sum of its proper divisors (699758880).

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

409115712 is a wasteful number, since it uses less digits than its factorization.

409115712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52027 (or 52017 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 409115712 is about 20226.6090089268. The cubic root of 409115712 is about 742.3614070926.

The spelling of 409115712 in words is "four hundred nine million, one hundred fifteen thousand, seven hundred twelve".