42766565864 has 32 divisors (see below), whose sum is σ = 88675395840. Its totient is φ = 19173052800.

The previous prime is 42766565833. The next prime is 42766565867. The reversal of 42766565864 is 46856566724.

It is not an unprimeable number, because it can be changed into a prime (42766565867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3322232 + ... + 3335079.

It is an arithmetic number, because the mean of its divisors is an integer number (2771106120).

Almost surely, 2^42766565864 is an apocalyptic number.

42766565864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42766565864 is an abundant number, since it is smaller than the sum of its proper divisors (45908829976).

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

42766565864 is a wasteful number, since it uses less digits than its factorization.

42766565864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657401 (or 6657397 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 59.

The spelling of 42766565864 in words is "forty-two billion, seven hundred sixty-six million, five hundred sixty-five thousand, eight hundred sixty-four".