408408255 has 48 divisors (see below), whose sum is σ = 754790400. Its totient is φ = 203572224.

The previous prime is 408408227. The next prime is 408408307. The reversal of 408408255 is 552804804.

It is not a de Polignac number, because 408408255 - 2⁷ = 408408127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112194 + ... + 115776.

It is an arithmetic number, because the mean of its divisors is an integer number (15724800).

Almost surely, 2^408408255 is an apocalyptic number.

408408255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

408408255 is a deficient number, since it is larger than the sum of its proper divisors (346382145).

408408255 is a wasteful number, since it uses less digits than its factorization.

408408255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760 (or 3757 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 408408255 is about 20209.1131670838. The cubic root of 408408255 is about 741.9332545557.

The spelling of 408408255 in words is "four hundred eight million, four hundred eight thousand, two hundred fifty-five".