195025680 has 120 divisors (see below), whose sum is σ = 666207360. Its totient is φ = 51114240.

The previous prime is 195025669. The next prime is 195025687. The reversal of 195025680 is 86520591.

It is a happy number.

195025680 is a `hidden beast` number, since 1 + 95 + 0 + 2 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (195025687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40185 + ... + 44775.

It is an arithmetic number, because the mean of its divisors is an integer number (5551728).

Almost surely, 2^195025680 is an apocalyptic number.

195025680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195025680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333103680).

195025680 is an abundant number, since it is smaller than the sum of its proper divisors (471181680).

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

195025680 is a wasteful number, since it uses less digits than its factorization.

195025680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4660 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 195025680 is about 13965.1595049967. The cubic root of 195025680 is about 579.9144542877.

The spelling of 195025680 in words is "one hundred ninety-five million, twenty-five thousand, six hundred eighty".