195540050742 has 32 divisors (see below), whose sum is σ = 435878755200. Its totient is φ = 58117166208.

The previous prime is 195540050681. The next prime is 195540050743. The reversal of 195540050742 is 247050045591.

It is a super-2 number, since 2×195540050742² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195540050694 and 195540050703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195540050743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50446992 + ... + 50450867.

It is an arithmetic number, because the mean of its divisors is an integer number (13621211100).

Almost surely, 2^195540050742 is an apocalyptic number.

195540050742 is an abundant number, since it is smaller than the sum of its proper divisors (240338704458).

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

195540050742 is a wasteful number, since it uses less digits than its factorization.

195540050742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100897900.

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 195540050742 in words is "one hundred ninety-five billion, five hundred forty million, fifty thousand, seven hundred forty-two".