8556000438 has 16 divisors (see below), whose sum is σ = 17115294960. Its totient is φ = 2851451136.

The previous prime is 8556000419. The next prime is 8556000449. The reversal of 8556000438 is 8340006558.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8556000396 and 8556000405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102823 + ... + 166386.

It is an arithmetic number, because the mean of its divisors is an integer number (1069705935).

Almost surely, 2^8556000438 is an apocalyptic number.

8556000438 is an abundant number, since it is smaller than the sum of its proper divisors (8559294522).

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

8556000438 is a wasteful number, since it uses less digits than its factorization.

8556000438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274511.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 8556000438 is about 92498.6510063795. The cubic root of 8556000438 is about 2045.2995966712.

The spelling of 8556000438 in words is "eight billion, five hundred fifty-six million, four hundred thirty-eight", and thus it is an aban number.