195346261940 has 24 divisors (see below), whose sum is σ = 412034327712. Its totient is φ = 77794280480.

The previous prime is 195346261907. The next prime is 195346261963. The reversal of 195346261940 is 49162643591.

It is a super-3 number, since 3×195346261940³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21509366 + ... + 21518445.

It is an arithmetic number, because the mean of its divisors is an integer number (17168096988).

Almost surely, 2^195346261940 is an apocalyptic number.

195346261940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195346261940 is an abundant number, since it is smaller than the sum of its proper divisors (216688065772).

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

195346261940 is a wasteful number, since it uses less digits than its factorization.

195346261940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43028047 (or 43028045 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 195346261940 in words is "one hundred ninety-five billion, three hundred forty-six million, two hundred sixty-one thousand, nine hundred forty".