8640467040480 has 384 divisors, whose sum is σ = 30241766016000. Its totient is φ = 2056117862400.

The previous prime is 8640467040449. The next prime is 8640467040481. The reversal of 8640467040480 is 840407640468.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640467040481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85797196 + ... + 85897844.

It is an arithmetic number, because the mean of its divisors is an integer number (78754599000).

Almost surely, 2^{8640467040480} is an apocalyptic number.

8640467040480 is a gapful number since it is divisible by the number (80) 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 8640467040480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120883008000).

8640467040480 is an abundant number, since it is smaller than the sum of its proper divisors (21601298975520).

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

8640467040480 is a wasteful number, since it uses less digits than its factorization.

8640467040480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100978 (or 100970 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 51.

The spelling of 8640467040480 in words is "eight trillion, six hundred forty billion, four hundred sixty-seven million, forty thousand, four hundred eighty".