195071280 has 80 divisors (see below), whose sum is σ = 631031040. Its totient is φ = 49755904.

The previous prime is 195071273. The next prime is 195071281. The reversal of 195071280 is 82170591.

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

It is not an unprimeable number, because it can be changed into a prime (195071281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12150 + ... + 23189.

It is an arithmetic number, because the mean of its divisors is an integer number (7887888).

Almost surely, 2^195071280 is an apocalyptic number.

195071280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195071280 is an abundant number, since it is smaller than the sum of its proper divisors (435959760).

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

195071280 is a wasteful number, since it uses less digits than its factorization.

195071280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35378 (or 35372 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 195071280 is about 13966.7920439878. The cubic root of 195071280 is about 579.9596484016.

The spelling of 195071280 in words is "one hundred ninety-five million, seventy-one thousand, two hundred eighty".