195408280 has 32 divisors (see below), whose sum is σ = 441987840. Its totient is φ = 77751040.

The previous prime is 195408197. The next prime is 195408289. The reversal of 195408280 is 82804591.

195408280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195408289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5149 + ... + 20428.

It is an arithmetic number, because the mean of its divisors is an integer number (13812120).

Almost surely, 2^195408280 is an apocalyptic number.

195408280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195408280 is an abundant number, since it is smaller than the sum of its proper divisors (246579560).

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

195408280 is a wasteful number, since it uses less digits than its factorization.

195408280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25779 (or 25775 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 195408280 is about 13978.8511688193. The cubic root of 195408280 is about 580.2934305966.

The spelling of 195408280 in words is "one hundred ninety-five million, four hundred eight thousand, two hundred eighty".