9942517376 has 128 divisors (see below), whose sum is σ = 22053150720. Its totient is φ = 4427136000.

The previous prime is 9942517369. The next prime is 9942517379. The reversal of 9942517376 is 6737152499.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (9942517379) by changing a digit.

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, 27091145 + ... + 27091511.

It is an arithmetic number, because the mean of its divisors is an integer number (172290240).

Almost surely, 2^9942517376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9942517376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11026575360).

9942517376 is an abundant number, since it is smaller than the sum of its proper divisors (12110633344).

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

9942517376 is a wasteful number, since it uses less digits than its factorization.

9942517376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 722 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 53.

The square root of 9942517376 is about 99712.1726571034. The cubic root of 9942517376 is about 2150.2986695951.

The spelling of 9942517376 in words is "nine billion, nine hundred forty-two million, five hundred seventeen thousand, three hundred seventy-six".