27398304866256 has 40 divisors (see below), whose sum is σ = 71114399544864. Its totient is φ = 9089485023360.

The previous prime is 27398304866209. The next prime is 27398304866321. The reversal of 27398304866256 is 65266840389372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352591811 + ... + 1352612066.

Almost surely, 2^{27398304866256} is an apocalyptic number.

It is an amenable number.

27398304866256 is an abundant number, since it is smaller than the sum of its proper divisors (43716094678608).

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

27398304866256 is a wasteful number, since it uses less digits than its factorization.

27398304866256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705204099 (or 2705204093 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 69.

The spelling of 27398304866256 in words is "twenty-seven trillion, three hundred ninety-eight billion, three hundred four million, eight hundred sixty-six thousand, two hundred fifty-six".