195809480 has 32 divisors (see below), whose sum is σ = 446783040. Its totient is φ = 77219520.

The previous prime is 195809461. The next prime is 195809491. The reversal of 195809480 is 84908591.

195809480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31634 + ... + 37313.

It is an arithmetic number, because the mean of its divisors is an integer number (13961970).

Almost surely, 2^195809480 is an apocalyptic number.

195809480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195809480 is an abundant number, since it is smaller than the sum of its proper divisors (250973560).

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

195809480 is a wasteful number, since it uses less digits than its factorization.

195809480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69029 (or 69025 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 195809480 is about 13993.1940599707. The cubic root of 195809480 is about 580.6902997791.

The spelling of 195809480 in words is "one hundred ninety-five million, eight hundred nine thousand, four hundred eighty".