42431266188 has 36 divisors (see below), whose sum is σ = 107725203040. Its totient is φ = 14081989536.

The previous prime is 42431266183. The next prime is 42431266261. The reversal of 42431266188 is 88166213424.

42431266188 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 1 + 26 + 618 + 8 = 666.

42431266188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (42431266183) 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, 2565220 + ... + 2581707.

Almost surely, 2^42431266188 is an apocalyptic number.

It is an amenable number.

42431266188 is an abundant number, since it is smaller than the sum of its proper divisors (65293936852).

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

42431266188 is a wasteful number, since it uses less digits than its factorization.

42431266188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147166 (or 5147161 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 42431266188 in words is "forty-two billion, four hundred thirty-one million, two hundred sixty-six thousand, one hundred eighty-eight".