195632880 has 80 divisors (see below), whose sum is σ = 608249760. Its totient is φ = 52015104.

The previous prime is 195632867. The next prime is 195632891. The reversal of 195632880 is 88236591.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97164 + ... + 99156.

It is an arithmetic number, because the mean of its divisors is an integer number (7603122).

Almost surely, 2^195632880 is an apocalyptic number.

195632880 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 195632880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304124880).

195632880 is an abundant number, since it is smaller than the sum of its proper divisors (412616880).

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

195632880 is a wasteful number, since it uses less digits than its factorization.

195632880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 195632880 is about 13986.8824260448. The cubic root of 195632880 is about 580.5156729731.

The spelling of 195632880 in words is "one hundred ninety-five million, six hundred thirty-two thousand, eight hundred eighty".