9544944640000 has 1680 divisors, whose sum is σ = 31366681049088. Its totient is φ = 2838528000000.

The previous prime is 9544944639961. The next prime is 9544944640019. The reversal of 9544944640000 is 464494459.

It is a super-2 number, since 2×9544944640000² (a number of 27 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 119 ways as a sum of consecutive naturals, for example, 134435839965 + ... + 134435840035.

Almost surely, 2^{9544944640000} 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 9544944640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15683340524544).

9544944640000 is an abundant number, since it is smaller than the sum of its proper divisors (21821736409088).

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

9544944640000 is an equidigital number, since it uses as much as digits as its factorization.

9544944640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 9544944640000 in words is "nine trillion, five hundred forty-four billion, nine hundred forty-four million, six hundred forty thousand".