9199842780000 has 480 divisors, whose sum is σ = 30832733242080. Its totient is φ = 2400583680000.

The previous prime is 9199842779989. The next prime is 9199842780043. The reversal of 9199842780000 is 872489919.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 517971120 + ... + 517988880.

It is an arithmetic number, because the mean of its divisors is an integer number (64234860921).

Almost surely, 2^{9199842780000} 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 9199842780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15416366621040).

9199842780000 is an abundant number, since it is smaller than the sum of its proper divisors (21632890462080).

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

9199842780000 is a wasteful number, since it uses less digits than its factorization.

9199842780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980 (or 17957 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 9199842780000 in words is "nine trillion, one hundred ninety-nine billion, eight hundred forty-two million, seven hundred eighty thousand".