260306043045520 has 160 divisors (see below), whose sum is σ = 621423003168000. Its totient is φ = 101368421775360.

The previous prime is 260306043045509. The next prime is 260306043045523. The reversal of 260306043045520 is 25540340603062.

It is a super-2 number, since 2×260306043045520² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (260306043045523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1048900650 + ... + 1049148790.

It is an arithmetic number, because the mean of its divisors is an integer number (3883893769800).

Almost surely, 2^{260306043045520} is an apocalyptic number.

260306043045520 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 260306043045520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310711501584000).

260306043045520 is an abundant number, since it is smaller than the sum of its proper divisors (361116960122480).

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

260306043045520 is a wasteful number, since it uses less digits than its factorization.

260306043045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250361 (or 250355 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 260306043045520 its reverse (25540340603062), we get a palindrome (285846383648582).

The spelling of 260306043045520 in words is "two hundred sixty trillion, three hundred six billion, forty-three million, forty-five thousand, five hundred twenty".