80335140 has 48 divisors (see below), whose sum is σ = 231024192. Its totient is φ = 20843136.

The previous prime is 80335117. The next prime is 80335141. The reversal of 80335140 is 4153308.

It is a self number, because there is not a number n which added to its sum of digits gives 80335140.

It is not an unprimeable number, because it can be changed into a prime (80335141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15874 + ... + 20313.

It is an arithmetic number, because the mean of its divisors is an integer number (4813004).

Almost surely, 2^80335140 is an apocalyptic number.

It is an amenable number.

80335140 is an abundant number, since it is smaller than the sum of its proper divisors (150689052).

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

80335140 is a wasteful number, since it uses less digits than its factorization.

80335140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36236 (or 36234 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 80335140 is about 8962.9872252503. The cubic root of 80335140 is about 431.4877974374.

Adding to 80335140 its reverse (4153308), we get a palindrome (84488448).

The spelling of 80335140 in words is "eighty million, three hundred thirty-five thousand, one hundred forty".