80450065344 has 112 divisors (see below), whose sum is σ = 242304295680. Its totient is φ = 23318845440.

The previous prime is 80450065343. The next prime is 80450065357. The reversal of 80450065344 is 44356005408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80450065343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 779509 + ... + 876660.

Almost surely, 2^80450065344 is an apocalyptic number.

It is an amenable number.

80450065344 is an abundant number, since it is smaller than the sum of its proper divisors (161854230336).

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

80450065344 is a wasteful number, since it uses less digits than its factorization.

80450065344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656218 (or 1656208 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 80450065344 in words is "eighty billion, four hundred fifty million, sixty-five thousand, three hundred forty-four".