195900409482240 has 176 divisors, whose sum is σ = 626600227362048. Its totient is φ = 52238023901184.

The previous prime is 195900409482227. The next prime is 195900409482241. The reversal of 195900409482240 is 42284904009591.

It is not an unprimeable number, because it can be changed into a prime (195900409482241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 405615939 + ... + 406098621.

Almost surely, 2^{195900409482240} is an apocalyptic number.

195900409482240 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 195900409482240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313300113681024).

195900409482240 is an abundant number, since it is smaller than the sum of its proper divisors (430699817879808).

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

195900409482240 is a wasteful number, since it uses less digits than its factorization.

195900409482240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509134 (or 509116 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 195900409482240 in words is "one hundred ninety-five trillion, nine hundred billion, four hundred nine million, four hundred eighty-two thousand, two hundred forty".