195001968042 has 48 divisors (see below), whose sum is σ = 494639151552. Its totient is φ = 54355947840.

The previous prime is 195001968041. The next prime is 195001968047. The reversal of 195001968042 is 240869100591.

195001968042 is a `hidden beast` number, since 19 + 500 + 1 + 96 + 8 + 0 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (195001968041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18868428 + ... + 18878759.

It is an arithmetic number, because the mean of its divisors is an integer number (10304982324).

Almost surely, 2^195001968042 is an apocalyptic number.

195001968042 is an abundant number, since it is smaller than the sum of its proper divisors (299637183510).

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

195001968042 is a wasteful number, since it uses less digits than its factorization.

195001968042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37747243 (or 37747240 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 195001968042 in words is "one hundred ninety-five billion, one million, nine hundred sixty-eight thousand, forty-two".