27443034472 has 96 divisors (see below), whose sum is σ = 61346181600. Its totient is φ = 11469499776.

The previous prime is 27443034469. The next prime is 27443034491.

It is a happy number.

27443034472 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18018303 + ... + 18019825.

It is an arithmetic number, because the mean of its divisors is an integer number (639022725).

Almost surely, 2^27443034472 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 27443034472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30673090800).

27443034472 is an abundant number, since it is smaller than the sum of its proper divisors (33903147128).

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

27443034472 is a wasteful number, since it uses less digits than its factorization.

27443034472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2644 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 40.

The spelling of 27443034472 in words is "twenty-seven billion, four hundred forty-three million, thirty-four thousand, four hundred seventy-two".