8440808844 has 24 divisors (see below), whose sum is σ = 21210238000. Its totient is φ = 2597171904.

The previous prime is 8440808833. The next prime is 8440808851. The reversal of 8440808844 is 4488080448.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8440808793 and 8440808802.

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 7 ways as a sum of consecutive naturals, for example, 27053719 + ... + 27054030.

Almost surely, 2^8440808844 is an apocalyptic number.

It is an amenable number.

8440808844 is an abundant number, since it is smaller than the sum of its proper divisors (12769429156).

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

8440808844 is a wasteful number, since it uses less digits than its factorization.

8440808844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54107769 (or 54107767 counting only the distinct ones).

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

The square root of 8440808844 is about 91873.8746543325. The cubic root of 8440808844 is about 2036.0792986870.

The spelling of 8440808844 in words is "eight billion, four hundred forty million, eight hundred eight thousand, eight hundred forty-four".