8509224320 has 32 divisors (see below), whose sum is σ = 20342365920. Its totient is φ = 3403689472.

The previous prime is 8509224293. The next prime is 8509224331. The reversal of 8509224320 is 234229058.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647192 + ... + 6648471.

It is an arithmetic number, because the mean of its divisors is an integer number (635698935).

Almost surely, 2^8509224320 is an apocalyptic number.

8509224320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8509224320 is an abundant number, since it is smaller than the sum of its proper divisors (11833141600).

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

8509224320 is a wasteful number, since it uses less digits than its factorization.

8509224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13295682 (or 13295670 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8509224320 is about 92245.4569071019. The cubic root of 8509224320 is about 2041.5655290249.

The spelling of 8509224320 in words is "eight billion, five hundred nine million, two hundred twenty-four thousand, three hundred twenty".