80340340 has 24 divisors (see below), whose sum is σ = 172640160. Its totient is φ = 31388448.

The previous prime is 80340301. The next prime is 80340367. The reversal of 80340340 is 4304308.

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, 45850 + ... + 47569.

It is an arithmetic number, because the mean of its divisors is an integer number (7193340).

Almost surely, 2^80340340 is an apocalyptic number.

It is an amenable number.

80340340 is an abundant number, since it is smaller than the sum of its proper divisors (92299820).

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

80340340 is a wasteful number, since it uses less digits than its factorization.

80340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93471 (or 93469 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 80340340 is about 8963.2773024157. The cubic root of 80340340 is about 431.4971071373.

Adding to 80340340 its reverse (4304308), we get a palindrome (84644648).

The spelling of 80340340 in words is "eighty million, three hundred forty thousand, three hundred forty".