80481280 has 88 divisors (see below), whose sum is σ = 210759120. Its totient is φ = 29245440.

The previous prime is 80481263. The next prime is 80481299. The reversal of 80481280 is 8218408.

It is a tau number, because it is divible by the number of its divisors (88).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55606 + ... + 57034.

It is an arithmetic number, because the mean of its divisors is an integer number (2394990).

Almost surely, 2^80481280 is an apocalyptic number.

80481280 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 80481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105379560).

80481280 is an abundant number, since it is smaller than the sum of its proper divisors (130277840).

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

80481280 is a wasteful number, since it uses less digits than its factorization.

80481280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 80481280 is about 8971.1359369926. The cubic root of 80481280 is about 431.7492829619.

Adding to 80481280 its reverse (8218408), we get a palindrome (88699688).

The spelling of 80481280 in words is "eighty million, four hundred eighty-one thousand, two hundred eighty".