195316498440 has 192 divisors, whose sum is σ = 727039272960. Its totient is φ = 44546664960.

The previous prime is 195316498439. The next prime is 195316498469. The reversal of 195316498440 is 44894613591.

195316498440 is a `hidden beast` number, since 1 + 9 + 53 + 1 + 64 + 98 + 440 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1077657 + ... + 1245783.

It is an arithmetic number, because the mean of its divisors is an integer number (3786662880).

Almost surely, 2^195316498440 is an apocalyptic number.

195316498440 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 195316498440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363519636480).

195316498440 is an abundant number, since it is smaller than the sum of its proper divisors (531722774520).

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

195316498440 is a wasteful number, since it uses less digits than its factorization.

195316498440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168612 (or 168605 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 195316498440 in words is "one hundred ninety-five billion, three hundred sixteen million, four hundred ninety-eight thousand, four hundred forty".