8329488640 has 432 divisors, whose sum is σ = 24397511040. Its totient is φ = 2696151040.

The previous prime is 8329488637. The next prime is 8329488653. The reversal of 8329488640 is 468849238.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93589716 + ... + 93589804.

It is an arithmetic number, because the mean of its divisors is an integer number (56475720).

Almost surely, 2^8329488640 is an apocalyptic number.

8329488640 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 8329488640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12198755520).

8329488640 is an abundant number, since it is smaller than the sum of its proper divisors (16068022400).

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

8329488640 is a wasteful number, since it uses less digits than its factorization.

8329488640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 8329488640 is about 91266.0322354380. The cubic root of 8329488640 is about 2027.0888278766.

The spelling of 8329488640 in words is "eight billion, three hundred twenty-nine million, four hundred eighty-eight thousand, six hundred forty".