42658208766 has 64 divisors (see below), whose sum is σ = 100405085760. Its totient is φ = 13378590720.

The previous prime is 42658208759. The next prime is 42658208779. The reversal of 42658208766 is 66780285624.

42658208766 is a `hidden beast` number, since 426 + 5 + 8 + 208 + 7 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3887760 + ... + 3898716.

It is an arithmetic number, because the mean of its divisors is an integer number (1568829465).

Almost surely, 2^42658208766 is an apocalyptic number.

42658208766 is an abundant number, since it is smaller than the sum of its proper divisors (57746876994).

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

42658208766 is a wasteful number, since it uses less digits than its factorization.

42658208766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226 (or 15220 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 42658208766 in words is "forty-two billion, six hundred fifty-eight million, two hundred eight thousand, seven hundred sixty-six".