842070239664 has 40 divisors (see below), whose sum is σ = 2250360126960. Its totient is φ = 271011111168.

The previous prime is 842070239657. The next prime is 842070239701. The reversal of 842070239664 is 466932070248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302466367 + ... + 302469150.

It is an arithmetic number, because the mean of its divisors is an integer number (56259003174).

Almost surely, 2^842070239664 is an apocalyptic number.

It is an amenable number.

842070239664 is an abundant number, since it is smaller than the sum of its proper divisors (1408289887296).

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

842070239664 is a wasteful number, since it uses less digits than its factorization.

842070239664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604935557 (or 604935551 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 842070239664 in words is "eight hundred forty-two billion, seventy million, two hundred thirty-nine thousand, six hundred sixty-four".