80316140 has 24 divisors (see below), whose sum is σ = 170802240. Its totient is φ = 31719168.

The previous prime is 80316139. The next prime is 80316151. The reversal of 80316140 is 4161308.

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, 23837 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (7116760).

Almost surely, 2^80316140 is an apocalyptic number.

It is an amenable number.

80316140 is an abundant number, since it is smaller than the sum of its proper divisors (90486100).

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

80316140 is a wasteful number, since it uses less digits than its factorization.

80316140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50921 (or 50919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 80316140 is about 8961.9272480868. The cubic root of 80316140 is about 431.4537778101.

Adding to 80316140 its reverse (4161308), we get a palindrome (84477448).

The spelling of 80316140 in words is "eighty million, three hundred sixteen thousand, one hundred forty".