260728269 has 16 divisors (see below), whose sum is σ = 369846720. Its totient is φ = 162812160.

The previous prime is 260728267. The next prime is 260728297. The reversal of 260728269 is 962827062.

It is not a de Polignac number, because 260728269 - 2¹ = 260728267 is a prime.

It is a super-2 number, since 2×260728269² = 135958460511472722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260728269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260728261) 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, 1354 + ... + 22875.

It is an arithmetic number, because the mean of its divisors is an integer number (23115420).

Almost surely, 2^260728269 is an apocalyptic number.

It is an amenable number.

260728269 is a deficient number, since it is larger than the sum of its proper divisors (109118451).

260728269 is a wasteful number, since it uses less digits than its factorization.

260728269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 260728269 is about 16147.0823680317. The cubic root of 260728269 is about 638.8457948680.

It can be divided in two parts, 2607 and 28269, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 260728269 in words is "two hundred sixty million, seven hundred twenty-eight thousand, two hundred sixty-nine".