8640843223352 has 16 divisors (see below), whose sum is σ = 16201616727600. Its totient is φ = 4320412096000.

The previous prime is 8640843223349. The next prime is 8640843223361. The reversal of 8640843223352 is 2533223480468.

It is a super-2 number, since 2×8640843223352² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8640843223352.

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, 4003352 + ... + 5771352.

It is an arithmetic number, because the mean of its divisors is an integer number (1012601045475).

Almost surely, 2^{8640843223352} is an apocalyptic number.

It is an amenable number.

8640843223352 is a deficient number, since it is larger than the sum of its proper divisors (7560773504248).

8640843223352 is a wasteful number, since it uses less digits than its factorization.

8640843223352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378926 (or 2378922 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 8640843223352 in words is "eight trillion, six hundred forty billion, eight hundred forty-three million, two hundred twenty-three thousand, three hundred fifty-two".