80533180 has 48 divisors (see below), whose sum is σ = 208152000. Its totient is φ = 25486848.

The previous prime is 80533177. The next prime is 80533181. The reversal of 80533180 is 8133508.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80533181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20305 + ... + 23944.

It is an arithmetic number, because the mean of its divisors is an integer number (4336500).

Almost surely, 2^80533180 is an apocalyptic number.

It is an amenable number.

80533180 is an abundant number, since it is smaller than the sum of its proper divisors (127618820).

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

80533180 is a wasteful number, since it uses less digits than its factorization.

80533180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44278 (or 44276 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 80533180 is about 8974.0280810793. The cubic root of 80533180 is about 431.8420704723.

Adding to 80533180 its reverse (8133508), we get a palindrome (88666688).

The spelling of 80533180 in words is "eighty million, five hundred thirty-three thousand, one hundred eighty".