195740312736 has 24 divisors (see below), whose sum is σ = 513818321184. Its totient is φ = 65246770880.

The previous prime is 195740312711. The next prime is 195740312819. The reversal of 195740312736 is 637213047591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019480700 + ... + 1019480891.

It is an arithmetic number, because the mean of its divisors is an integer number (21409096716).

Almost surely, 2^195740312736 is an apocalyptic number.

195740312736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195740312736 is an abundant number, since it is smaller than the sum of its proper divisors (318078008448).

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

195740312736 is a wasteful number, since it uses less digits than its factorization.

195740312736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038961604 (or 2038961596 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 195740312736 in words is "one hundred ninety-five billion, seven hundred forty million, three hundred twelve thousand, seven hundred thirty-six".