80533280 has 48 divisors (see below), whose sum is σ = 192258360. Its totient is φ = 31875072.

The previous prime is 80533279. The next prime is 80533337. The reversal of 80533280 is 8233508.

It can be written as a sum of positive squares in 4 ways, for example, as 71842576 + 8690704 = 8476^2 + 2948^2 .

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, 12926 + ... + 18114.

Almost surely, 2^80533280 is an apocalyptic number.

80533280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80533280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96129180).

80533280 is an abundant number, since it is smaller than the sum of its proper divisors (111725080).

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

80533280 is a wasteful number, since it uses less digits than its factorization.

80533280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 80533280 is about 8974.0336527116. The cubic root of 80533280 is about 431.8422492151.

Adding to 80533280 its reverse (8233508), we get a palindrome (88766788).

The spelling of 80533280 in words is "eighty million, five hundred thirty-three thousand, two hundred eighty".