195842938824 has 192 divisors, whose sum is σ = 636642115200. Its totient is φ = 53729630208.

The previous prime is 195842938813. The next prime is 195842938861. The reversal of 195842938824 is 428839248591.

195842938824 is a `hidden beast` number, since 1 + 9 + 584 + 29 + 3 + 8 + 8 + 24 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21564 + ... + 626219.

It is an arithmetic number, because the mean of its divisors is an integer number (3315844350).

Almost surely, 2^195842938824 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 195842938824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318321057600).

195842938824 is an abundant number, since it is smaller than the sum of its proper divisors (440799176376).

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

195842938824 is a wasteful number, since it uses less digits than its factorization.

195842938824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647844 (or 647837 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

It can be divided in two parts, 19584 and 2938824, that multiplied together give a square (57553929216 = 239904²).

The spelling of 195842938824 in words is "one hundred ninety-five billion, eight hundred forty-two million, nine hundred thirty-eight thousand, eight hundred twenty-four".