42768512766 has 24 divisors (see below), whose sum is σ = 105902984304. Its totient is φ = 12219575040.

The previous prime is 42768512687. The next prime is 42768512777. The reversal of 42768512766 is 66721586724.

It is a happy number.

42768512766 is a `hidden beast` number, since 4 + 2 + 7 + 68 + 512 + 7 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169716195 + ... + 169716446.

It is an arithmetic number, because the mean of its divisors is an integer number (4412624346).

Almost surely, 2^42768512766 is an apocalyptic number.

42768512766 is an abundant number, since it is smaller than the sum of its proper divisors (63134471538).

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

42768512766 is a wasteful number, since it uses less digits than its factorization.

42768512766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339432656 (or 339432653 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 42768512766 in words is "forty-two billion, seven hundred sixty-eight million, five hundred twelve thousand, seven hundred sixty-six".