195945380 has 24 divisors (see below), whose sum is σ = 412742400. Its totient is φ = 78138720.

The previous prime is 195945307. The next prime is 195945419. The reversal of 195945380 is 83549591.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8180 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (17197600).

Almost surely, 2^195945380 is an apocalyptic number.

195945380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195945380 is an abundant number, since it is smaller than the sum of its proper divisors (216797020).

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

195945380 is a wasteful number, since it uses less digits than its factorization.

195945380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29939 (or 29937 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 195945380 is about 13998.0491497923. The cubic root of 195945380 is about 580.8246098609.

The spelling of 195945380 in words is "one hundred ninety-five million, nine hundred forty-five thousand, three hundred eighty".