27845041188 has 24 divisors (see below), whose sum is σ = 65022676992. Its totient is φ = 9274406944.

The previous prime is 27845041187. The next prime is 27845041193. The reversal of 27845041188 is 88114054872.

It is a super-2 number, since 2×27845041188² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27845041187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893220 + ... + 923867.

It is an arithmetic number, because the mean of its divisors is an integer number (2709278208).

Almost surely, 2^27845041188 is an apocalyptic number.

It is an amenable number.

27845041188 is an abundant number, since it is smaller than the sum of its proper divisors (37177635804).

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

27845041188 is a wasteful number, since it uses less digits than its factorization.

27845041188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818371 (or 1818369 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 27845041188 in words is "twenty-seven billion, eight hundred forty-five million, forty-one thousand, one hundred eighty-eight".