260716872 has 64 divisors (see below), whose sum is σ = 711607680. Its totient is φ = 79114752.

The previous prime is 260716871. The next prime is 260716889. The reversal of 260716872 is 278617062.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 260716872.

It is not an unprimeable number, because it can be changed into a prime (260716871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17053 + ... + 28499.

It is an arithmetic number, because the mean of its divisors is an integer number (11118870).

Almost surely, 2^260716872 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 260716872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355803840).

260716872 is an abundant number, since it is smaller than the sum of its proper divisors (450890808).

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

260716872 is a wasteful number, since it uses less digits than its factorization.

260716872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11542 (or 11538 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 260716872 is about 16146.7294521213. The cubic root of 260716872 is about 638.8364862858.

The spelling of 260716872 in words is "two hundred sixty million, seven hundred sixteen thousand, eight hundred seventy-two".