267240 has 64 divisors (see below), whose sum is σ = 855360. Its totient is φ = 66560.

The previous prime is 267233. The next prime is 267259. The reversal of 267240 is 42762.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

267240 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1975 + ... + 2105.

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

2²⁶⁷²⁴⁰ is an apocalyptic number.

267240 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 267240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427680).

267240 is an abundant number, since it is smaller than the sum of its proper divisors (588120).

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

267240 is a wasteful number, since it uses less digits than its factorization.

267240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 267240 is about 516.9526090465. The cubic root of 267240 is about 64.4120548913.

The spelling of 267240 in words is "two hundred sixty-seven thousand, two hundred forty".