260544423312 has 320 divisors, whose sum is σ = 782474085120. Its totient is φ = 82935705600.

The previous prime is 260544423263. The next prime is 260544423323. The reversal of 260544423312 is 213324445062.

260544423312 is a `hidden beast` number, since 2 + 60 + 544 + 4 + 23 + 31 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 63 ways as a sum of consecutive naturals, for example, 214792818 + ... + 214794030.

It is an arithmetic number, because the mean of its divisors is an integer number (2445231516).

Almost surely, 2^260544423312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260544423312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391237042560).

260544423312 is an abundant number, since it is smaller than the sum of its proper divisors (521929661808).

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

260544423312 is a wasteful number, since it uses less digits than its factorization.

260544423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 260544423312 its reverse (213324445062), we get a palindrome (473868868374).

The spelling of 260544423312 in words is "two hundred sixty billion, five hundred forty-four million, four hundred twenty-three thousand, three hundred twelve".