195880464 has 120 divisors (see below), whose sum is σ = 609053280. Its totient is φ = 60248448.

The previous prime is 195880441. The next prime is 195880499. The reversal of 195880464 is 464088591.

195880464 is a `hidden beast` number, since 1 + 9 + 588 + 0 + 4 + 64 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71667 + ... + 74349.

It is an arithmetic number, because the mean of its divisors is an integer number (5075444).

Almost surely, 2^195880464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195880464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304526640).

195880464 is an abundant number, since it is smaller than the sum of its proper divisors (413172816).

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

195880464 is a wasteful number, since it uses less digits than its factorization.

195880464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 195880464 is about 13995.7302060307. The cubic root of 195880464 is about 580.7604610745.

The spelling of 195880464 in words is "one hundred ninety-five million, eight hundred eighty thousand, four hundred sixty-four".