260531465250 has 128 divisors (see below), whose sum is σ = 743416128000. Its totient is φ = 59531500800.

The previous prime is 260531465231. The next prime is 260531465263. The reversal of 260531465250 is 52564135062.

It is a junction number, because it is equal to n+sod(n) for n = 260531465199 and 260531465208.

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, 23876796 + ... + 23887704.

It is an arithmetic number, because the mean of its divisors is an integer number (5807938500).

Almost surely, 2^260531465250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260531465250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371708064000).

260531465250 is an abundant number, since it is smaller than the sum of its proper divisors (482884662750).

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

260531465250 is a wasteful number, since it uses less digits than its factorization.

260531465250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15485 (or 15475 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 260531465250 in words is "two hundred sixty billion, five hundred thirty-one million, four hundred sixty-five thousand, two hundred fifty".