8040440159 has 8 divisors (see below), whose sum is σ = 8565594240. Its totient is φ = 7525483416.

The previous prime is 8040440143. The next prime is 8040440167. The reversal of 8040440159 is 9510440408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8040440159 - 2⁴ = 8040440143 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 (8040440179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2547707 + ... + 2550860.

It is an arithmetic number, because the mean of its divisors is an integer number (1070699280).

Almost surely, 2^8040440159 is an apocalyptic number.

8040440159 is a deficient number, since it is larger than the sum of its proper divisors (525154081).

8040440159 is a wasteful number, since it uses less digits than its factorization.

8040440159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098669.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 8040440159 is about 89668.5014874231. The cubic root of 8040440159 is about 2003.3643506490.

The spelling of 8040440159 in words is "eight billion, forty million, four hundred forty thousand, one hundred fifty-nine".