8946161202440 has 512 divisors, whose sum is σ = 26209264435200. Its totient is φ = 2666981376000.

The previous prime is 8946161202413. The next prime is 8946161202449. The reversal of 8946161202440 is 442021616498.

It is not an unprimeable number, because it can be changed into a prime (8946161202449) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3198483122 + ... + 3198485918.

It is an arithmetic number, because the mean of its divisors is an integer number (51189969600).

Almost surely, 2^{8946161202440} 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 8946161202440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13104632217600).

8946161202440 is an abundant number, since it is smaller than the sum of its proper divisors (17263103232760).

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

8946161202440 is a wasteful number, since it uses less digits than its factorization.

8946161202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 8946161202440 in words is "eight trillion, nine hundred forty-six billion, one hundred sixty-one million, two hundred two thousand, four hundred forty".