9846120787440 has 240 divisors, whose sum is σ = 35538151832352. Its totient is φ = 2248524085248.

The previous prime is 9846120787417. The next prime is 9846120787499. The reversal of 9846120787440 is 447870216489.

It is a tau number, because it is divible by the number of its divisors (240).

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

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, 12761142 + ... + 13510698.

Almost surely, 2^{9846120787440} 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 9846120787440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17769075916176).

9846120787440 is an abundant number, since it is smaller than the sum of its proper divisors (25692031044912).

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

9846120787440 is a wasteful number, since it uses less digits than its factorization.

9846120787440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750704 (or 750691 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 9846120787440 in words is "nine trillion, eight hundred forty-six billion, one hundred twenty million, seven hundred eighty-seven thousand, four hundred forty".