408818368 has 42 divisors (see below), whose sum is σ = 943704996. Its totient is φ = 175206528.

The previous prime is 408818341. The next prime is 408818369. The reversal of 408818368 is 863818804.

It is not an unprimeable number, because it can be changed into a prime (408818369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62046 + ... + 68317.

Almost surely, 2^408818368 is an apocalyptic number.

It is an amenable number.

408818368 is an abundant number, since it is smaller than the sum of its proper divisors (534886628).

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

408818368 is a wasteful number, since it uses less digits than its factorization.

408818368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130389 (or 130372 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 408818368 is about 20219.2573553036. The cubic root of 408818368 is about 742.1815148663.

The spelling of 408818368 in words is "four hundred eight million, eight hundred eighteen thousand, three hundred sixty-eight".