842008390568 has 16 divisors (see below), whose sum is σ = 1579715105280. Its totient is φ = 420751029168.

The previous prime is 842008390547. The next prime is 842008390583. The reversal of 842008390568 is 865093800248.

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, 31631630 + ... + 31658237.

It is an arithmetic number, because the mean of its divisors is an integer number (98732194080).

Almost surely, 2^842008390568 is an apocalyptic number.

It is an amenable number.

842008390568 is a deficient number, since it is larger than the sum of its proper divisors (737706714712).

842008390568 is a wasteful number, since it uses less digits than its factorization.

842008390568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63291536 (or 63291532 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 842008390568 in words is "eight hundred forty-two billion, eight million, three hundred ninety thousand, five hundred sixty-eight".