9418785212928 has 640 divisors, whose sum is σ = 31778561041920. Its totient is φ = 2412568903680.

The previous prime is 9418785212923. The next prime is 9418785212929. The reversal of 9418785212928 is 8292125878149.

It is not an unprimeable number, because it can be changed into a prime (9418785212923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1312353276 + ... + 1312360452.

It is an arithmetic number, because the mean of its divisors is an integer number (49654001628).

Almost surely, 2^{9418785212928} 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 9418785212928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15889280520960).

9418785212928 is an abundant number, since it is smaller than the sum of its proper divisors (22359775828992).

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

9418785212928 is a wasteful number, since it uses less digits than its factorization.

9418785212928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488 (or 7472 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 66.

The spelling of 9418785212928 in words is "nine trillion, four hundred eighteen billion, seven hundred eighty-five million, two hundred twelve thousand, nine hundred twenty-eight".