195372673940 has 12 divisors (see below), whose sum is σ = 410282615316. Its totient is φ = 78149069568.

The previous prime is 195372673939. The next prime is 195372673967. The reversal of 195372673940 is 49376273591.

It can be written as a sum of positive squares in 2 ways, for example, as 72286775044 + 123085898896 = 268862^2 + 350836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4884316829 + ... + 4884316868.

It is an arithmetic number, because the mean of its divisors is an integer number (34190217943).

Almost surely, 2^195372673940 is an apocalyptic number.

195372673940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195372673940 is an abundant number, since it is smaller than the sum of its proper divisors (214909941376).

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

195372673940 is a wasteful number, since it uses less digits than its factorization.

195372673940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768633706 (or 9768633704 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 195372673940 in words is "one hundred ninety-five billion, three hundred seventy-two million, six hundred seventy-three thousand, nine hundred forty".