408368680 has 32 divisors (see below), whose sum is σ = 958780800. Its totient is φ = 156245056.

The previous prime is 408368669. The next prime is 408368689. The reversal of 408368680 is 86863804.

It is not an unprimeable number, because it can be changed into a prime (408368689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221020 + ... + 222859.

It is an arithmetic number, because the mean of its divisors is an integer number (29961900).

Almost surely, 2^408368680 is an apocalyptic number.

408368680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408368680 is an abundant number, since it is smaller than the sum of its proper divisors (550412120).

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

408368680 is a wasteful number, since it uses less digits than its factorization.

408368680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443913 (or 443909 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 408368680 is about 20208.1340058898. The cubic root of 408368680 is about 741.9092891921.

The spelling of 408368680 in words is "four hundred eight million, three hundred sixty-eight thousand, six hundred eighty".