80368840 has 32 divisors (see below), whose sum is σ = 182594880. Its totient is φ = 31833792.

The previous prime is 80368823. The next prime is 80368891. The reversal of 80368840 is 4886308.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80368840.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5634 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (5706090).

Almost surely, 2^80368840 is an apocalyptic number.

It is an amenable number.

80368840 is an abundant number, since it is smaller than the sum of its proper divisors (102226040).

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

80368840 is a wasteful number, since it uses less digits than its factorization.

80368840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621 (or 19617 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 80368840 is about 8964.8669817237. The cubic root of 80368840 is about 431.5481243211.

The spelling of 80368840 in words is "eighty million, three hundred sixty-eight thousand, eight hundred forty".