850855041792 has 1440 divisors, whose sum is σ = 3248056627200. Its totient is φ = 220445245440.

The previous prime is 850855041781. The next prime is 850855041793. The reversal of 850855041792 is 297140558058.

850855041792 is a `hidden beast` number, since 8 + 50 + 85 + 504 + 1 + 7 + 9 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (850855041793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3748259983 + ... + 3748260209.

It is an arithmetic number, because the mean of its divisors is an integer number (2255594880).

Almost surely, 2^850855041792 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 850855041792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624028313600).

850855041792 is an abundant number, since it is smaller than the sum of its proper divisors (2397201585408).

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

850855041792 is a wasteful number, since it uses less digits than its factorization.

850855041792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 850855041792 in words is "eight hundred fifty billion, eight hundred fifty-five million, forty-one thousand, seven hundred ninety-two".