260518328620 has 144 divisors (see below), whose sum is σ = 634447296000. Its totient is φ = 89098496640.

The previous prime is 260518328597. The next prime is 260518328627. The reversal of 260518328620 is 26823815062.

It is a super-2 number, since 2×260518328620² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260518328627) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11027581 + ... + 11051179.

It is an arithmetic number, because the mean of its divisors is an integer number (4405884000).

Almost surely, 2^260518328620 is an apocalyptic number.

260518328620 is a gapful number since it is divisible by the number (20) 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 260518328620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317223648000).

260518328620 is an abundant number, since it is smaller than the sum of its proper divisors (373928967380).

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

260518328620 is a wasteful number, since it uses less digits than its factorization.

260518328620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23796 (or 23775 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 260518328620 in words is "two hundred sixty billion, five hundred eighteen million, three hundred twenty-eight thousand, six hundred twenty".