9803993944800 has 288 divisors, whose sum is σ = 34957566572544. Its totient is φ = 2366862336000.

The previous prime is 9803993944799. The next prime is 9803993944841. The reversal of 9803993944800 is 84493993089.

It is a super-2 number, since 2×9803993944800² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5591937 + ... + 7132863.

It is an arithmetic number, because the mean of its divisors is an integer number (121380439488).

Almost surely, 2^{9803993944800} 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 9803993944800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17478783286272).

9803993944800 is an abundant number, since it is smaller than the sum of its proper divisors (25153572627744).

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

9803993944800 is a wasteful number, since it uses less digits than its factorization.

9803993944800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541202 (or 1541189 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 66.

The spelling of 9803993944800 in words is "nine trillion, eight hundred three billion, nine hundred ninety-three million, nine hundred forty-four thousand, eight hundred".