195190450 has 48 divisors (see below), whose sum is σ = 446846400. Its totient is φ = 61773120.

The previous prime is 195190441. The next prime is 195190451. The reversal of 195190450 is 54091591.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (195190451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16900 + ... + 25999.

It is an arithmetic number, because the mean of its divisors is an integer number (9309300).

Almost surely, 2^195190450 is an apocalyptic number.

195190450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195190450 is an abundant number, since it is smaller than the sum of its proper divisors (251655950).

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

195190450 is a wasteful number, since it uses less digits than its factorization.

195190450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42931 (or 42926 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 195190450 is about 13971.0575834473. The cubic root of 195190450 is about 580.0777244233.

The spelling of 195190450 in words is "one hundred ninety-five million, one hundred ninety thousand, four hundred fifty".