80640844060 has 24 divisors (see below), whose sum is σ = 193538026080. Its totient is φ = 27648289344.

The previous prime is 80640844051. The next prime is 80640844079. The reversal of 80640844060 is 6044804608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288002875 + ... + 288003154.

It is an arithmetic number, because the mean of its divisors is an integer number (8064084420).

Almost surely, 2^80640844060 is an apocalyptic number.

It is an amenable number.

80640844060 is an abundant number, since it is smaller than the sum of its proper divisors (112897182020).

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

80640844060 is a wasteful number, since it uses less digits than its factorization.

80640844060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576006045 (or 576006043 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 80640844060 in words is "eighty billion, six hundred forty million, eight hundred forty-four thousand, sixty".