9923244925440 has 1440 divisors, whose sum is σ = 40739852482560. Its totient is φ = 2052974837760.

The previous prime is 9923244925423. The next prime is 9923244925441. The reversal of 9923244925440 is 445294423299.

It is a super-2 number, since 2×9923244925440² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9923244925441) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17439797476 + ... + 17439798044.

It is an arithmetic number, because the mean of its divisors is an integer number (28291564224).

Almost surely, 2^{9923244925440} 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 9923244925440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20369926241280).

9923244925440 is an abundant number, since it is smaller than the sum of its proper divisors (30816607557120).

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

9923244925440 is a wasteful number, since it uses less digits than its factorization.

9923244925440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 9923244925440 in words is "nine trillion, nine hundred twenty-three billion, two hundred forty-four million, nine hundred twenty-five thousand, four hundred forty".