195488823940140 has 96 divisors (see below), whose sum is σ = 549968916704256. Its totient is φ = 51883278796800.

The previous prime is 195488823940097. The next prime is 195488823940229. The reversal of 195488823940140 is 41049328884591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2253165 + ... + 19901115.

It is an arithmetic number, because the mean of its divisors is an integer number (5728842882336).

Almost surely, 2^{195488823940140} is an apocalyptic number.

195488823940140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195488823940140 is an abundant number, since it is smaller than the sum of its proper divisors (354480092764116).

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

195488823940140 is a wasteful number, since it uses less digits than its factorization.

195488823940140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17648839 (or 17648837 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 66.

The spelling of 195488823940140 in words is "one hundred ninety-five trillion, four hundred eighty-eight billion, eight hundred twenty-three million, nine hundred forty thousand, one hundred forty".