9874521840000 has 160 divisors (see below), whose sum is σ = 32776007414040. Its totient is φ = 2633205760000.

The previous prime is 9874521839999. The next prime is 9874521840047. The reversal of 9874521840000 is 481254789.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20331921 + ... + 20811920.

Almost surely, 2^{9874521840000} is an apocalyptic number.

It is an amenable number.

9874521840000 is an abundant number, since it is smaller than the sum of its proper divisors (22901485574040).

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

9874521840000 is an equidigital number, since it uses as much as digits as its factorization.

9874521840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41143878 (or 41143851 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 9874521840000 in words is "nine trillion, eight hundred seventy-four billion, five hundred twenty-one million, eight hundred forty thousand".