842008512 has 28 divisors (see below), whose sum is σ = 2227814696. Its totient is φ = 280669440.

The previous prime is 842008507. The next prime is 842008549. The reversal of 842008512 is 215800248.

It is a self number, because there is not a number n which added to its sum of digits gives 842008512.

It is a congruent number.

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, 2192539 + ... + 2192922.

Almost surely, 2^842008512 is an apocalyptic number.

It is an amenable number.

842008512 is an abundant number, since it is smaller than the sum of its proper divisors (1385806184).

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

842008512 is a wasteful number, since it uses less digits than its factorization.

842008512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385476 (or 4385466 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 842008512 is about 29017.3829281691. The cubic root of 842008512 is about 944.2902248497.

The spelling of 842008512 in words is "eight hundred forty-two million, eight thousand, five hundred twelve".