408808842 has 32 divisors (see below), whose sum is σ = 908920320. Its totient is φ = 121728960.

The previous prime is 408808837. The next prime is 408808847. The reversal of 408808842 is 248808804.

It is an interprime number because it is at equal distance from previous prime (408808837) and next prime (408808847).

It is a junction number, because it is equal to n+sod(n) for n = 408808794 and 408808803.

It is not an unprimeable number, because it can be changed into a prime (408808847) 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, 82117 + ... + 86952.

It is an arithmetic number, because the mean of its divisors is an integer number (28403760).

Almost surely, 2^408808842 is an apocalyptic number.

408808842 is an abundant number, since it is smaller than the sum of its proper divisors (500111478).

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

408808842 is a wasteful number, since it uses less digits than its factorization.

408808842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169118.

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 408808842 is about 20219.0217864268. The cubic root of 408808842 is about 742.1757502231.

The spelling of 408808842 in words is "four hundred eight million, eight hundred eight thousand, eight hundred forty-two".