8644417340460 has 192 divisors, whose sum is σ = 26440508989440. Its totient is φ = 2092781940480.

The previous prime is 8644417340459. The next prime is 8644417340567. The reversal of 8644417340460 is 640437144468.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2818523847 + ... + 2818526913.

It is an arithmetic number, because the mean of its divisors is an integer number (137710984320).

Almost surely, 2^{8644417340460} 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 8644417340460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13220254494720).

8644417340460 is an abundant number, since it is smaller than the sum of its proper divisors (17796091648980).

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

8644417340460 is a wasteful number, since it uses less digits than its factorization.

8644417340460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476 (or 7474 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 8644417340460 in words is "eight trillion, six hundred forty-four billion, four hundred seventeen million, three hundred forty thousand, four hundred sixty".