195172032000 has 960 divisors, whose sum is σ = 738976702464. Its totient is φ = 45619200000.

The previous prime is 195172031987. The next prime is 195172032053. The reversal of 195172032000 is 230271591.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 720191865 + ... + 720192135.

Almost surely, 2^195172032000 is an apocalyptic number.

195172032000 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 195172032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369488351232).

195172032000 is an abundant number, since it is smaller than the sum of its proper divisors (543804670464).

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

195172032000 is a wasteful number, since it uses less digits than its factorization.

195172032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 195172032000 in words is "one hundred ninety-five billion, one hundred seventy-two million, thirty-two thousand".