42568287136 has 24 divisors (see below), whose sum is σ = 83814665760. Its totient is φ = 21282022848.

The previous prime is 42568287077. The next prime is 42568287149. The reversal of 42568287136 is 63178286524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289245 + ... + 410851.

It is an arithmetic number, because the mean of its divisors is an integer number (3492277740).

Almost surely, 2^42568287136 is an apocalyptic number.

It is an amenable number.

42568287136 is a deficient number, since it is larger than the sum of its proper divisors (41246378624).

42568287136 is a wasteful number, since it uses less digits than its factorization.

42568287136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132556 (or 132548 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The spelling of 42568287136 in words is "forty-two billion, five hundred sixty-eight million, two hundred eighty-seven thousand, one hundred thirty-six".