195395520 has 112 divisors (see below), whose sum is σ = 637263648. Its totient is φ = 50688000.

The previous prime is 195395489. The next prime is 195395527. The reversal of 195395520 is 25593591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195395527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32770 + ... + 38270.

It is an arithmetic number, because the mean of its divisors is an integer number (5689854).

Almost surely, 2^195395520 is an apocalyptic number.

195395520 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 195395520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318631824).

195395520 is an abundant number, since it is smaller than the sum of its proper divisors (441868128).

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

195395520 is a wasteful number, since it uses less digits than its factorization.

195395520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558 (or 5548 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 195395520 is about 13978.3947576251. The cubic root of 195395520 is about 580.2807994271.

The spelling of 195395520 in words is "one hundred ninety-five million, three hundred ninety-five thousand, five hundred twenty".