9912940328 has 96 divisors (see below), whose sum is σ = 19881417600. Its totient is φ = 4628515584.

The previous prime is 9912940313. The next prime is 9912940333. The reversal of 9912940328 is 8230492199.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111381308 + ... + 111381396.

It is an arithmetic number, because the mean of its divisors is an integer number (207098100).

Almost surely, 2^9912940328 is an apocalyptic number.

It is an amenable number.

9912940328 is an abundant number, since it is smaller than the sum of its proper divisors (9968477272).

9912940328 is a wasteful number, since it uses less digits than its factorization.

9912940328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 9912940328 is about 99563.7500699928. The cubic root of 9912940328 is about 2148.1643121904.

The spelling of 9912940328 in words is "nine billion, nine hundred twelve million, nine hundred forty thousand, three hundred twenty-eight".