194705584140 has 96 divisors (see below), whose sum is σ = 588495559680. Its totient is φ = 47951470336.

The previous prime is 194705584127. The next prime is 194705584181. The reversal of 194705584140 is 41485507491.

It is a self number, because there is not a number n which added to its sum of digits gives 194705584140.

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, 2392584 + ... + 2472623.

It is an arithmetic number, because the mean of its divisors is an integer number (6130162080).

Almost surely, 2^194705584140 is an apocalyptic number.

194705584140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194705584140 is an abundant number, since it is smaller than the sum of its proper divisors (393789975540).

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

194705584140 is a wasteful number, since it uses less digits than its factorization.

194705584140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865271 (or 4865269 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 194705584140 in words is "one hundred ninety-four billion, seven hundred five million, five hundred eighty-four thousand, one hundred forty".