8408448840 has 64 divisors (see below), whose sum is σ = 27518564160. Its totient is φ = 2038411520.

The previous prime is 8408448833. The next prime is 8408448883. The reversal of 8408448840 is 488448048.

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 8408448840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183699 + ... + 3186338.

It is an arithmetic number, because the mean of its divisors is an integer number (429977565).

Almost surely, 2^8408448840 is an apocalyptic number.

It is an amenable number.

8408448840 is an abundant number, since it is smaller than the sum of its proper divisors (19110115320).

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

8408448840 is a wasteful number, since it uses less digits than its factorization.

8408448840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370062 (or 6370058 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The square root of 8408448840 is about 91697.5945158868. The cubic root of 8408448840 is about 2033.4740225744.

The spelling of 8408448840 in words is "eight billion, four hundred eight million, four hundred forty-eight thousand, eight hundred forty".