8674660576440 has 192 divisors, whose sum is σ = 28325224886400. Its totient is φ = 2302389559296.

The previous prime is 8674660576397. The next prime is 8674660576441. The reversal of 8674660576440 is 446750664768.

It is a happy number.

8674660576440 is a `hidden beast` number, since 8 + 67 + 4 + 6 + 60 + 5 + 76 + 440 = 666.

It is a super-2 number, since 2×8674660576440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8674660576441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67184584 + ... + 67313576.

It is an arithmetic number, because the mean of its divisors is an integer number (147527212950).

Almost surely, 2^{8674660576440} 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 8674660576440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14162612443200).

8674660576440 is an abundant number, since it is smaller than the sum of its proper divisors (19650564309960).

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

8674660576440 is a wasteful number, since it uses less digits than its factorization.

8674660576440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129886 (or 129879 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 8674660576440 in words is "eight trillion, six hundred seventy-four billion, six hundred sixty million, five hundred seventy-six thousand, four hundred forty".