9678330224640 has 2016 divisors, whose sum is σ = 43269754155264. Its totient is φ = 1978340474880.

The previous prime is 9678330224611. The next prime is 9678330224657. The reversal of 9678330224640 is 464220338769.

9678330224640 is a `hidden beast` number, since 9 + 67 + 8 + 330 + 2 + 246 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13312695957 + ... + 13312696683.

It is an arithmetic number, because the mean of its divisors is an integer number (21463171704).

Almost surely, 2^{9678330224640} is an apocalyptic number.

9678330224640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9678330224640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21634877077632).

9678330224640 is an abundant number, since it is smaller than the sum of its proper divisors (33591423930624).

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

9678330224640 is a wasteful number, since it uses less digits than its factorization.

9678330224640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 9678330224640 in words is "nine trillion, six hundred seventy-eight billion, three hundred thirty million, two hundred twenty-four thousand, six hundred forty".