409668076 has 12 divisors (see below), whose sum is σ = 718196472. Its totient is φ = 204469088.

The previous prime is 409668071. The next prime is 409668079. The reversal of 409668076 is 670866904.

It is not an unprimeable number, because it can be changed into a prime (409668071) 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, 88705 + ... + 93208.

It is an arithmetic number, because the mean of its divisors is an integer number (59849706).

Almost surely, 2^409668076 is an apocalyptic number.

It is an amenable number.

409668076 is a deficient number, since it is larger than the sum of its proper divisors (308528396).

409668076 is a wasteful number, since it uses less digits than its factorization.

409668076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182480 (or 182478 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 409668076 is about 20240.2587928119. The cubic root of 409668076 is about 742.6953544324.

The spelling of 409668076 in words is "four hundred nine million, six hundred sixty-eight thousand, seventy-six".