195734772480 has 288 divisors, whose sum is σ = 677227400640. Its totient is φ = 48178790400.

The previous prime is 195734772463. The next prime is 195734772511. The reversal of 195734772480 is 84277437591.

It is a self number, because there is not a number n which added to its sum of digits gives 195734772480.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8424880 + ... + 8448080.

It is an arithmetic number, because the mean of its divisors is an integer number (2351484030).

Almost surely, 2^195734772480 is an apocalyptic number.

195734772480 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 195734772480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338613700320).

195734772480 is an abundant number, since it is smaller than the sum of its proper divisors (481492628160).

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

195734772480 is an equidigital number, since it uses as much as digits as its factorization.

195734772480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23264 (or 23224 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 195734772480 in words is "one hundred ninety-five billion, seven hundred thirty-four million, seven hundred seventy-two thousand, four hundred eighty".