8520760320 has 352 divisors, whose sum is σ = 28863682560. Its totient is φ = 2141061120.

The previous prime is 8520760319. The next prime is 8520760337. The reversal of 8520760320 is 230670258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31441785 + ... + 31442055.

Almost surely, 2^8520760320 is an apocalyptic number.

8520760320 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 8520760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14431841280).

8520760320 is an abundant number, since it is smaller than the sum of its proper divisors (20342922240).

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

8520760320 is a wasteful number, since it uses less digits than its factorization.

8520760320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 8520760320 is about 92307.9645534447. The cubic root of 8520760320 is about 2042.4876994486.

The spelling of 8520760320 in words is "eight billion, five hundred twenty million, seven hundred sixty thousand, three hundred twenty".