27066401228 has 12 divisors (see below), whose sum is σ = 47527863600. Its totient is φ = 13487011632.

The previous prime is 27066401221. The next prime is 27066401251. The reversal of 27066401228 is 82210466072.

It is a junction number, because it is equal to n+sod(n) for n = 27066401191 and 27066401200.

It is not an unprimeable number, because it can be changed into a prime (27066401221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11545928 + ... + 11548271.

It is an arithmetic number, because the mean of its divisors is an integer number (3960655300).

Almost surely, 2^27066401228 is an apocalyptic number.

It is an amenable number.

27066401228 is a deficient number, since it is larger than the sum of its proper divisors (20461462372).

27066401228 is a wasteful number, since it uses less digits than its factorization.

27066401228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23094496 (or 23094494 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 27066401228 in words is "twenty-seven billion, sixty-six million, four hundred one thousand, two hundred twenty-eight".