408806277376 has 36 divisors (see below), whose sum is σ = 932589324352. Its totient is φ = 175202689536.

The previous prime is 408806277367. The next prime is 408806277391. The reversal of 408806277376 is 673772608804.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 408806277376.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114062460 + ... + 114066043.

Almost surely, 2^408806277376 is an apocalyptic number.

It is an amenable number.

408806277376 is an abundant number, since it is smaller than the sum of its proper divisors (523783046976).

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

408806277376 is an equidigital number, since it uses as much as digits as its factorization.

408806277376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228128526 (or 228128512 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 408806277376 in words is "four hundred eight billion, eight hundred six million, two hundred seventy-seven thousand, three hundred seventy-six".