260040 has 64 divisors (see below), whose sum is σ = 855360. Its totient is φ = 62720.

The previous prime is 260023. The next prime is 260047. The reversal of 260040 is 40062.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 259998 and 260025.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 260040.

It is not an unprimeable number, because it can be changed into a prime (260047) 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, 1222 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (13365).

2²⁶⁰⁰⁴⁰ is an apocalyptic number.

260040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427680).

260040 is an abundant number, since it is smaller than the sum of its proper divisors (595320).

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

260040 is a wasteful number, since it uses less digits than its factorization.

260040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 260040 is about 509.9411730778. The cubic root of 260040 is about 63.8283158999.

The spelling of 260040 in words is "two hundred sixty thousand, forty".