260540 has 24 divisors (see below), whose sum is σ = 625632. Its totient is φ = 89280.

The previous prime is 260539. The next prime is 260543. The reversal of 260540 is 45062.

260540 is a modest number, since divided by 540 gives 260 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260543) 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 7 ways as a sum of consecutive naturals, for example, 791 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (26068).

2²⁶⁰⁵⁴⁰ is an apocalyptic number.

260540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260540 is an abundant number, since it is smaller than the sum of its proper divisors (365092).

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

260540 is a wasteful number, since it uses less digits than its factorization.

260540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 260540 is about 510.4311902696. The cubic root of 260540 is about 63.8691990014.

The spelling of 260540 in words is "two hundred sixty thousand, five hundred forty".