842335490784 has 192 divisors, whose sum is σ = 2317005250560. Its totient is φ = 267440279040.

The previous prime is 842335490779. The next prime is 842335490797. The reversal of 842335490784 is 487094533248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916577877 + ... + 916578795.

It is an arithmetic number, because the mean of its divisors is an integer number (12067735680).

Almost surely, 2^842335490784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842335490784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158502625280).

842335490784 is an abundant number, since it is smaller than the sum of its proper divisors (1474669759776).

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

842335490784 is a wasteful number, since it uses less digits than its factorization.

842335490784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 842335490784 in words is "eight hundred forty-two billion, three hundred thirty-five million, four hundred ninety thousand, seven hundred eighty-four".