845845548548 has 144 divisors (see below), whose sum is σ = 2056098276288. Its totient is φ = 299212704000.

The previous prime is 845845548539. The next prime is 845845548593.

845845548548 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1462343 + ... + 1957073.

It is an arithmetic number, because the mean of its divisors is an integer number (14278460252).

Almost surely, 2^845845548548 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 845845548548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028049138144).

845845548548 is an abundant number, since it is smaller than the sum of its proper divisors (1210252727740).

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

845845548548 is a wasteful number, since it uses less digits than its factorization.

845845548548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494834 (or 494825 counting only the distinct ones).

The product of its digits is 655360000, while the sum is 68.

The spelling of 845845548548 in words is "eight hundred forty-five billion, eight hundred forty-five million, five hundred forty-eight thousand, five hundred forty-eight".