8143325280 has 480 divisors, whose sum is σ = 30428576640. Its totient is φ = 2047610880.

The previous prime is 8143325269. The next prime is 8143325321. The reversal of 8143325280 is 825233418.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17664250 + ... + 17664710.

It is an arithmetic number, because the mean of its divisors is an integer number (63392868).

Almost surely, 2^8143325280 is an apocalyptic number.

8143325280 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 8143325280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15214288320).

8143325280 is an abundant number, since it is smaller than the sum of its proper divisors (22285251360).

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

8143325280 is a wasteful number, since it uses less digits than its factorization.

8143325280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8143325280 is about 90240.3749992208. The cubic root of 8143325280 is about 2011.8731480298.

Adding to 8143325280 its reverse (825233418), we get a palindrome (8968558698).

The spelling of 8143325280 in words is "eight billion, one hundred forty-three million, three hundred twenty-five thousand, two hundred eighty".