408101808 has 20 divisors (see below), whose sum is σ = 1054263128. Its totient is φ = 136033920.

The previous prime is 408101803. The next prime is 408101809. The reversal of 408101808 is 808101804.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (408101803) 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, 4251013 + ... + 4251108.

Almost surely, 2^408101808 is an apocalyptic number.

408101808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

408101808 is an abundant number, since it is smaller than the sum of its proper divisors (646161320).

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

408101808 is a wasteful number, since it uses less digits than its factorization.

408101808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502132 (or 8502126 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 408101808 is about 20201.5298430589. The cubic root of 408101808 is about 741.7476395427.

The spelling of 408101808 in words is "four hundred eight million, one hundred one thousand, eight hundred eight".