42527091866 has 24 divisors (see below), whose sum is σ = 74222755200. Its totient is φ = 18221642712.

The previous prime is 42527091833. The next prime is 42527091869. The reversal of 42527091866 is 66819072524.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42527091869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390935 + ... + 487733.

It is an arithmetic number, because the mean of its divisors is an integer number (3092614800).

Almost surely, 2^42527091866 is an apocalyptic number.

42527091866 is a deficient number, since it is larger than the sum of its proper divisors (31695663334).

42527091866 is a wasteful number, since it uses less digits than its factorization.

42527091866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101298 (or 101291 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 42527091866 in words is "forty-two billion, five hundred twenty-seven million, ninety-one thousand, eight hundred sixty-six".