42168518576 has 10 divisors (see below), whose sum is σ = 81701504772. Its totient is φ = 21084259280.

The previous prime is 42168518569. The next prime is 42168518611. The reversal of 42168518576 is 67581586124.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317766190 + ... + 1317766221.

Almost surely, 2^42168518576 is an apocalyptic number.

It is an amenable number.

42168518576 is a deficient number, since it is larger than the sum of its proper divisors (39532986196).

42168518576 is a wasteful number, since it uses less digits than its factorization.

42168518576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635532419 (or 2635532413 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The spelling of 42168518576 in words is "forty-two billion, one hundred sixty-eight million, five hundred eighteen thousand, five hundred seventy-six".