80040040008 has 16 divisors (see below), whose sum is σ = 200100100080. Its totient is φ = 26680013328.

The previous prime is 80040040007. The next prime is 80040040009. The reversal of 80040040008 is 80004004008.

It is an interprime number because it is at equal distance from previous prime (80040040007) and next prime (80040040009).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3335001667 = 80040040008 / (8 + 0 + 0 + 4 + 0 + 0 + 4 + 0 + 0 + 0 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 80040040008.

It is not an unprimeable number, because it can be changed into a prime (80040040007) 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 3 ways as a sum of consecutive naturals, for example, 1667500810 + ... + 1667500857.

It is an arithmetic number, because the mean of its divisors is an integer number (12506256255).

Almost surely, 2^80040040008 is an apocalyptic number.

It is an amenable number.

80040040008 is an abundant number, since it is smaller than the sum of its proper divisors (120060060072).

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

80040040008 is a wasteful number, since it uses less digits than its factorization.

80040040008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335001676 (or 3335001672 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 8004004000 and 8, that added together give a palindrome (8004004008).

The spelling of 80040040008 in words is "eighty billion, forty million, forty thousand, eight".