8808520129640 has 512 divisors, whose sum is σ = 26339066265600. Its totient is φ = 2566696796160.

The previous prime is 8808520129637. The next prime is 8808520129693. The reversal of 8808520129640 is 469210258088.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7420825127 + ... + 7420826313.

It is an arithmetic number, because the mean of its divisors is an integer number (51443488800).

Almost surely, 2^{8808520129640} 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 8808520129640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13169533132800).

8808520129640 is an abundant number, since it is smaller than the sum of its proper divisors (17530546135960).

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

8808520129640 is a wasteful number, since it uses less digits than its factorization.

8808520129640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 8808520129640 in words is "eight trillion, eight hundred eight billion, five hundred twenty million, one hundred twenty-nine thousand, six hundred forty".