9640121376480 has 96 divisors (see below), whose sum is σ = 34704436967424. Its totient is φ = 2203456313856.

The previous prime is 9640121376451. The next prime is 9640121376497. The reversal of 9640121376480 is 846731210469.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434538512 + ... + 1434545231.

It is an arithmetic number, because the mean of its divisors is an integer number (361504551744).

Almost surely, 2^{9640121376480} is an apocalyptic number.

It is an amenable number.

9640121376480 is an abundant number, since it is smaller than the sum of its proper divisors (25064315590944).

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

9640121376480 is a wasteful number, since it uses less digits than its factorization.

9640121376480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869083768 (or 2869083760 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 9640121376480 in words is "nine trillion, six hundred forty billion, one hundred twenty-one million, three hundred seventy-six thousand, four hundred eighty".