195082805520 has 240 divisors, whose sum is σ = 690058512000. Its totient is φ = 49253806080.

The previous prime is 195082805419. The next prime is 195082805531. The reversal of 195082805520 is 25508280591.

It is a happy number.

195082805520 is a `hidden beast` number, since 1 + 95 + 0 + 8 + 2 + 8 + 0 + 552 + 0 = 666.

195082805520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29559181 + ... + 29565779.

It is an arithmetic number, because the mean of its divisors is an integer number (2875243800).

Almost surely, 2^195082805520 is an apocalyptic number.

195082805520 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 195082805520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345029256000).

195082805520 is an abundant number, since it is smaller than the sum of its proper divisors (494975706480).

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

195082805520 is a wasteful number, since it uses less digits than its factorization.

195082805520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 195082805520 in words is "one hundred ninety-five billion, eighty-two million, eight hundred five thousand, five hundred twenty".