8040844189 has 6 divisors (see below), whose sum is σ = 9353635134. Its totient is φ = 6892152120.

The previous prime is 8040844187. The next prime is 8040844193. The reversal of 8040844189 is 9814480408.

8040844189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7841102500 + 199741689 = 88550^2 + 14133^2 .

It is not a de Polignac number, because 8040844189 - 2¹ = 8040844187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8040844187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82049382 + ... + 82049479.

It is an arithmetic number, because the mean of its divisors is an integer number (1558939189).

Almost surely, 2^8040844189 is an apocalyptic number.

It is an amenable number.

8040844189 is a deficient number, since it is larger than the sum of its proper divisors (1312790945).

8040844189 is a wasteful number, since it uses less digits than its factorization.

8040844189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164098875 (or 164098868 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 8040844189 is about 89670.7543684116. The cubic root of 8040844189 is about 2003.3979062639.

The spelling of 8040844189 in words is "eight billion, forty million, eight hundred forty-four thousand, one hundred eighty-nine".