408000808080 has 80 divisors (see below), whose sum is σ = 1405336124160. Its totient is φ = 108800214912.

The previous prime is 408000808069. The next prime is 408000808081. The reversal of 408000808080 is 80808000804.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

408000808080 is a modest number, since divided by 808080 gives 408000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (408000808081) 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, 94442472 + ... + 94446791.

It is an arithmetic number, because the mean of its divisors is an integer number (17566701552).

Almost surely, 2^408000808080 is an apocalyptic number.

408000808080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408000808080 is an abundant number, since it is smaller than the sum of its proper divisors (997335316080).

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

408000808080 is a wasteful number, since it uses less digits than its factorization.

408000808080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188889285 (or 188889273 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

Adding to 408000808080 its reverse (80808000804), we get a palindrome (488808808884).

The spelling of 408000808080 in words is "four hundred eight billion, eight hundred eight thousand, eighty".