409994088 has 64 divisors (see below), whose sum is σ = 1173744000. Its totient is φ = 116908032.

The previous prime is 409994059. The next prime is 409994089. The reversal of 409994088 is 880499904.

It is a self number, because there is not a number n which added to its sum of digits gives 409994088.

It is not an unprimeable number, because it can be changed into a prime (409994089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93448 + ... + 97736.

It is an arithmetic number, because the mean of its divisors is an integer number (18339750).

Almost surely, 2^409994088 is an apocalyptic number.

It is an amenable number.

409994088 is an abundant number, since it is smaller than the sum of its proper divisors (763749912).

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

409994088 is a wasteful number, since it uses less digits than its factorization.

409994088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874 (or 4870 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 409994088 is about 20248.3107443559. The cubic root of 409994088 is about 742.8923133954.

The spelling of 409994088 in words is "four hundred nine million, nine hundred ninety-four thousand, eighty-eight".