8559820100442 has 32 divisors (see below), whose sum is σ = 18436895326080. Its totient is φ = 2633739410880.

The previous prime is 8559820100407. The next prime is 8559820100459. The reversal of 8559820100442 is 2440010289558.

It is a junction number, because it is equal to n+sod(n) for n = 8559820100391 and 8559820100400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053859 + ... + 5142537.

It is an arithmetic number, because the mean of its divisors is an integer number (576152978940).

Almost surely, 2^{8559820100442} is an apocalyptic number.

8559820100442 is an abundant number, since it is smaller than the sum of its proper divisors (9877075225638).

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

8559820100442 is a wasteful number, since it uses less digits than its factorization.

8559820100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141238.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 8559820100442 in words is "eight trillion, five hundred fifty-nine billion, eight hundred twenty million, one hundred thousand, four hundred forty-two".