260867728 has 80 divisors (see below), whose sum is σ = 574963200. Its totient is φ = 113587200.

The previous prime is 260867699. The next prime is 260867729. The reversal of 260867728 is 827768062.

It is not an unprimeable number, because it can be changed into a prime (260867729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 747298 + ... + 747646.

It is an arithmetic number, because the mean of its divisors is an integer number (7187040).

Almost surely, 2^260867728 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 260867728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287481600).

260867728 is an abundant number, since it is smaller than the sum of its proper divisors (314095472).

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

260867728 is a wasteful number, since it uses less digits than its factorization.

260867728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 260867728 is about 16151.4001869807. The cubic root of 260867728 is about 638.9596770540.

The spelling of 260867728 in words is "two hundred sixty million, eight hundred sixty-seven thousand, seven hundred twenty-eight".