80340180 has 24 divisors (see below), whose sum is σ = 224952672. Its totient is φ = 21424032.

The previous prime is 80340167. The next prime is 80340191. The reversal of 80340180 is 8104308.

It is a self number, because there is not a number n which added to its sum of digits gives 80340180.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 669442 + ... + 669561.

It is an arithmetic number, because the mean of its divisors is an integer number (9373028).

Almost surely, 2^80340180 is an apocalyptic number.

It is an amenable number.

80340180 is an abundant number, since it is smaller than the sum of its proper divisors (144612492).

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

80340180 is a wasteful number, since it uses less digits than its factorization.

80340180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339015 (or 1339013 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80340180 is about 8963.2683771044. The cubic root of 80340180 is about 431.4968206910.

Adding to 80340180 its reverse (8104308), we get a palindrome (88444488).

The spelling of 80340180 in words is "eighty million, three hundred forty thousand, one hundred eighty".