8646002320 has 80 divisors (see below), whose sum is σ = 20338216128. Its totient is φ = 3417914880.

The previous prime is 8646002311. The next prime is 8646002333. The reversal of 8646002320 is 232006468.

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

It is a super-2 number, since 2×8646002320² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4630027 + ... + 4631893.

Almost surely, 2^8646002320 is an apocalyptic number.

8646002320 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 8646002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10169108064).

8646002320 is an abundant number, since it is smaller than the sum of its proper divisors (11692213808).

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

8646002320 is a wasteful number, since it uses less digits than its factorization.

8646002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 8646002320 is about 92983.8820441478. The cubic root of 8646002320 is about 2052.4462029999.

Adding to 8646002320 its reverse (232006468), we get a palindrome (8878008788).

The spelling of 8646002320 in words is "eight billion, six hundred forty-six million, two thousand, three hundred twenty".