9924208128 has 200 divisors, whose sum is σ = 29938651512. Its totient is φ = 3272638464.

The previous prime is 9924208097. The next prime is 9924208139. The reversal of 9924208128 is 8218024299.

It is a happy number.

It is a super-2 number, since 2×9924208128² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4021551 + ... + 4024017.

Almost surely, 2^9924208128 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 9924208128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14969325756).

9924208128 is an abundant number, since it is smaller than the sum of its proper divisors (20014443384).

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

9924208128 is an equidigital number, since it uses as much as digits as its factorization.

9924208128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 9924208128 is about 99620.3198549372. The cubic root of 9924208128 is about 2148.9779261707.

The spelling of 9924208128 in words is "nine billion, nine hundred twenty-four million, two hundred eight thousand, one hundred twenty-eight".