8550440478360 has 320 divisors, whose sum is σ = 31356174643200. Its totient is φ = 2072532614400.

The previous prime is 8550440478247. The next prime is 8550440478403. The reversal of 8550440478360 is 638740440558.

It is a happy number.

8550440478360 is a `hidden beast` number, since 8 + 5 + 504 + 4 + 0 + 4 + 78 + 3 + 60 = 666.

It is a super-2 number, since 2×8550440478360² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8550440478297 and 8550440478306.

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, 335680425 + ... + 335705895.

It is an arithmetic number, because the mean of its divisors is an integer number (97988045760).

Almost surely, 2^{8550440478360} 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 8550440478360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15678087321600).

8550440478360 is an abundant number, since it is smaller than the sum of its proper divisors (22805734164840).

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

8550440478360 is a wasteful number, since it uses less digits than its factorization.

8550440478360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34924 (or 34911 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 8550440478360 in words is "eight trillion, five hundred fifty billion, four hundred forty million, four hundred seventy-eight thousand, three hundred sixty".