540340 has 12 divisors (see below), whose sum is σ = 1134756. Its totient is φ = 216128.

The previous prime is 540307. The next prime is 540343. The reversal of 540340 is 43045.

540340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 401956 + 138384 = 634^2 + 372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13489 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (94563).

2⁵⁴⁰³⁴⁰ is an apocalyptic number.

It is an amenable number.

540340 is an abundant number, since it is smaller than the sum of its proper divisors (594416).

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

540340 is a wasteful number, since it uses less digits than its factorization.

540340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27026 (or 27024 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 540340 is about 735.0782271296. The cubic root of 540340 is about 81.4496156897.

Adding to 540340 its reverse (43045), we get a palindrome (583385).

The spelling of 540340 in words is "five hundred forty thousand, three hundred forty".