27212044266 has 96 divisors (see below), whose sum is σ = 66907451520. Its totient is φ = 7917436800.

The previous prime is 27212044261. The next prime is 27212044289. The reversal of 27212044266 is 66244021272.

27212044266 is a `hidden beast` number, since 2 + 7 + 21 + 204 + 426 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27212044266.

It is not an unprimeable number, because it can be changed into a prime (27212044261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1026211 + ... + 1052393.

It is an arithmetic number, because the mean of its divisors is an integer number (696952620).

Almost surely, 2^27212044266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27212044266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33453725760).

27212044266 is an abundant number, since it is smaller than the sum of its proper divisors (39695407254).

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

27212044266 is a wasteful number, since it uses less digits than its factorization.

27212044266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412 (or 26409 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 27212044266 in words is "twenty-seven billion, two hundred twelve million, forty-four thousand, two hundred sixty-six".