9242397215840 has 48 divisors (see below), whose sum is σ = 21848650855920. Its totient is φ = 3694675299840.

The previous prime is 9242397215797. The next prime is 9242397215867. The reversal of 9242397215840 is 485127932429.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17580671 + ... + 18098750.

It is an arithmetic number, because the mean of its divisors is an integer number (455180226165).

Almost surely, 2^{9242397215840} is an apocalyptic number.

It is an amenable number.

9242397215840 is an abundant number, since it is smaller than the sum of its proper divisors (12606253640080).

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

9242397215840 is a wasteful number, since it uses less digits than its factorization.

9242397215840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35681055 (or 35681047 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 9242397215840 in words is "nine trillion, two hundred forty-two billion, three hundred ninety-seven million, two hundred fifteen thousand, eight hundred forty".