8481320880 has 80 divisors (see below), whose sum is σ = 26335442400. Its totient is φ = 2257956864.

The previous prime is 8481320843. The next prime is 8481320941. The reversal of 8481320880 is 880231848.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118296 + ... + 175944.

It is an arithmetic number, because the mean of its divisors is an integer number (329193030).

Almost surely, 2^8481320880 is an apocalyptic number.

8481320880 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 8481320880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13167721200).

8481320880 is an abundant number, since it is smaller than the sum of its proper divisors (17854121520).

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

8481320880 is a wasteful number, since it uses less digits than its factorization.

8481320880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58278 (or 58272 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 8481320880 is about 92094.0871066107. The cubic root of 8481320880 is about 2039.3315187646.

The spelling of 8481320880 in words is "eight billion, four hundred eighty-one million, three hundred twenty thousand, eight hundred eighty".