845418654882 has 96 divisors (see below), whose sum is σ = 1940345409600. Its totient is φ = 265287125376.

The previous prime is 845418654881. The next prime is 845418654917. The reversal of 845418654882 is 288456814548.

845418654882 is a `hidden beast` number, since 8 + 4 + 5 + 4 + 1 + 8 + 6 + 548 + 82 = 666.

It is not an unprimeable number, because it can be changed into a prime (845418654881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178619788 + ... + 178624520.

It is an arithmetic number, because the mean of its divisors is an integer number (20211931350).

Almost surely, 2^845418654882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845418654882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970172704800).

845418654882 is an abundant number, since it is smaller than the sum of its proper divisors (1094926754718).

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

845418654882 is a wasteful number, since it uses less digits than its factorization.

845418654882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7952 (or 7949 counting only the distinct ones).

The product of its digits is 78643200, while the sum is 63.

The spelling of 845418654882 in words is "eight hundred forty-five billion, four hundred eighteen million, six hundred fifty-four thousand, eight hundred eighty-two".