9840397866824 has 64 divisors (see below), whose sum is σ = 21123200701440. Its totient is φ = 4209988668480.

The previous prime is 9840397866821. The next prime is 9840397866839. The reversal of 9840397866824 is 4286687930489.

9840397866824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9840397866821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287017187 + ... + 287051469.

It is an arithmetic number, because the mean of its divisors is an integer number (330050010960).

Almost surely, 2^{9840397866824} is an apocalyptic number.

It is an amenable number.

9840397866824 is an abundant number, since it is smaller than the sum of its proper divisors (11282802834616).

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

9840397866824 is a wasteful number, since it uses less digits than its factorization.

9840397866824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43050 (or 43046 counting only the distinct ones).

The product of its (nonzero) digits is 1003290624, while the sum is 74.

The spelling of 9840397866824 in words is "nine trillion, eight hundred forty billion, three hundred ninety-seven million, eight hundred sixty-six thousand, eight hundred twenty-four".