195108880 has 20 divisors (see below), whose sum is σ = 453628332. Its totient is φ = 78043520.

The previous prime is 195108869. The next prime is 195108887. The reversal of 195108880 is 88801591.

It can be written as a sum of positive squares in 2 ways, for example, as 92775424 + 102333456 = 9632^2 + 10116^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (195108887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219351 + ... + 1219510.

Almost surely, 2^195108880 is an apocalyptic number.

195108880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195108880 is an abundant number, since it is smaller than the sum of its proper divisors (258519452).

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

195108880 is a wasteful number, since it uses less digits than its factorization.

195108880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438874 (or 2438868 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 195108880 is about 13968.1380291004. The cubic root of 195108880 is about 579.9969084259.

The spelling of 195108880 in words is "one hundred ninety-five million, one hundred eight thousand, eight hundred eighty".