842437243674 has 96 divisors (see below), whose sum is σ = 1984214232000. Its totient is φ = 256775351040.

The previous prime is 842437243579. The next prime is 842437243679. The reversal of 842437243674 is 476342734248.

It is a self number, because there is not a number n which added to its sum of digits gives 842437243674.

It is not an unprimeable number, because it can be changed into a prime (842437243679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17417977 + ... + 17466275.

It is an arithmetic number, because the mean of its divisors is an integer number (20668898250).

Almost surely, 2^842437243674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842437243674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992107116000).

842437243674 is an abundant number, since it is smaller than the sum of its proper divisors (1141776988326).

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

842437243674 is a wasteful number, since it uses less digits than its factorization.

842437243674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49020 (or 49017 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 54.

The spelling of 842437243674 in words is "eight hundred forty-two billion, four hundred thirty-seven million, two hundred forty-three thousand, six hundred seventy-four".