196580571240 has 256 divisors, whose sum is σ = 605451179520. Its totient is φ = 51048058880.

The previous prime is 196580571233. The next prime is 196580571241. The reversal of 196580571240 is 42175085691.

It is a happy number.

196580571240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 196580571240.

It is not an unprimeable number, because it can be changed into a prime (196580571241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290369782 + ... + 290370458.

It is an arithmetic number, because the mean of its divisors is an integer number (2365043670).

Almost surely, 2^196580571240 is an apocalyptic number.

196580571240 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 196580571240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302725589760).

196580571240 is an abundant number, since it is smaller than the sum of its proper divisors (408870608280).

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

196580571240 is a wasteful number, since it uses less digits than its factorization.

196580571240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 196580571240 in words is "one hundred ninety-six billion, five hundred eighty million, five hundred seventy-one thousand, two hundred forty".