195256320 has 224 divisors, whose sum is σ = 717182208. Its totient is φ = 44433408.

The previous prime is 195256307. The next prime is 195256349. The reversal of 195256320 is 23652591.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860047 + ... + 860273.

Almost surely, 2^195256320 is an apocalyptic number.

195256320 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 195256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358591104).

195256320 is an abundant number, since it is smaller than the sum of its proper divisors (521925888).

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

195256320 is an equidigital number, since it uses as much as digits as its factorization.

195256320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 195256320 is about 13973.4147580325. The cubic root of 195256320 is about 580.1429691153.

The spelling of 195256320 in words is "one hundred ninety-five million, two hundred fifty-six thousand, three hundred twenty".