195426544680 has 96 divisors (see below), whose sum is σ = 635976174600. Its totient is φ = 52044830208.

The previous prime is 195426544661. The next prime is 195426544681. The reversal of 195426544680 is 86445624591.

It is a happy number.

195426544680 is a `hidden beast` number, since 1 + 9 + 542 + 6 + 54 + 46 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 177525710244 + 17900834436 = 421338^2 + 133794^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (195426544681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86035 + ... + 631074.

Almost surely, 2^195426544680 is an apocalyptic number.

195426544680 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 195426544680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317988087300).

195426544680 is an abundant number, since it is smaller than the sum of its proper divisors (440549629920).

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

195426544680 is a wasteful number, since it uses less digits than its factorization.

195426544680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717883 (or 717876 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 195426544680 in words is "one hundred ninety-five billion, four hundred twenty-six million, five hundred forty-four thousand, six hundred eighty".