9944051676720 has 480 divisors, whose sum is σ = 38464386693120. Its totient is φ = 2079043061760.

The previous prime is 9944051676719. The next prime is 9944051676731. The reversal of 9944051676720 is 276761504499.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17305225 + ... + 17870615.

It is an arithmetic number, because the mean of its divisors is an integer number (80134138944).

Almost surely, 2^{9944051676720} 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 9944051676720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19232193346560).

9944051676720 is an abundant number, since it is smaller than the sum of its proper divisors (28520335016400).

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

9944051676720 is a wasteful number, since it uses less digits than its factorization.

9944051676720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565481 (or 565456 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 9944051676720 in words is "nine trillion, nine hundred forty-four billion, fifty-one million, six hundred seventy-six thousand, seven hundred twenty".