8556411960 has 96 divisors (see below), whose sum is σ = 27847441440. Its totient is φ = 2278501632.

The previous prime is 8556411943. The next prime is 8556411971. The reversal of 8556411960 is 691146558.

8556411960 is a `hidden beast` number, since 8 + 556 + 4 + 1 + 1 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245374 + ... + 278066.

It is an arithmetic number, because the mean of its divisors is an integer number (290077515).

Almost surely, 2^8556411960 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 8556411960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13923720720).

8556411960 is an abundant number, since it is smaller than the sum of its proper divisors (19291029480).

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

8556411960 is a wasteful number, since it uses less digits than its factorization.

8556411960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33437 (or 33430 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 8556411960 is about 92500.8754553166. The cubic root of 8556411960 is about 2045.3323873929.

The spelling of 8556411960 in words is "eight billion, five hundred fifty-six million, four hundred eleven thousand, nine hundred sixty".