842565478016 has 32 divisors (see below), whose sum is σ = 1690624336800. Its totient is φ = 418251919104.

The previous prime is 842565477979. The next prime is 842565478021. The reversal of 842565478016 is 610874565248.

It is a tau number, because it is divible by the number of its divisors (32).

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, 23660420 + ... + 23696003.

It is an arithmetic number, because the mean of its divisors is an integer number (52832010525).

Almost surely, 2^842565478016 is an apocalyptic number.

It is an amenable number.

842565478016 is an abundant number, since it is smaller than the sum of its proper divisors (848058858784).

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

842565478016 is a wasteful number, since it uses less digits than its factorization.

842565478016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47356576 (or 47356564 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 842565478016 in words is "eight hundred forty-two billion, five hundred sixty-five million, four hundred seventy-eight thousand, sixteen".