8855537388480 has 560 divisors, whose sum is σ = 31771009416960. Its totient is φ = 2341258739712.

The previous prime is 8855537388473. The next prime is 8855537388569. The reversal of 8855537388480 is 848837355588.

It is a happy number.

8855537388480 is a `hidden beast` number, since 8 + 8 + 5 + 5 + 537 + 3 + 8 + 8 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 8855537388399 and 8855537388408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5109945694 + ... + 5109947426.

Almost surely, 2^{8855537388480} is an apocalyptic number.

8855537388480 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 8855537388480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15885504708480).

8855537388480 is an abundant number, since it is smaller than the sum of its proper divisors (22915472028480).

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

8855537388480 is a wasteful number, since it uses less digits than its factorization.

8855537388480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 1032192000, while the sum is 72.

The spelling of 8855537388480 in words is "eight trillion, eight hundred fifty-five billion, five hundred thirty-seven million, three hundred eighty-eight thousand, four hundred eighty".