9640918338384 has 40 divisors (see below), whose sum is σ = 24933784403520. Its totient is φ = 3210016388608.

The previous prime is 9640918338349. The next prime is 9640918338419. The reversal of 9640918338384 is 4838338190469.

It is an interprime number because it is at equal distance from previous prime (9640918338349) and next prime (9640918338419).

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, 113177529 + ... + 113262680.

It is an arithmetic number, because the mean of its divisors is an integer number (623344610088).

Almost surely, 2^{9640918338384} is an apocalyptic number.

It is an amenable number.

9640918338384 is an abundant number, since it is smaller than the sum of its proper divisors (15292866065136).

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

9640918338384 is a wasteful number, since it uses less digits than its factorization.

9640918338384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226441107 (or 226441101 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 66.

The spelling of 9640918338384 in words is "nine trillion, six hundred forty billion, nine hundred eighteen million, three hundred thirty-eight thousand, three hundred eighty-four".