540580 has 24 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 213600.

The previous prime is 540577. The next prime is 540587. The reversal of 540580 is 85045.

540580 = T₁₄₄ + T₁₄₅ + ... + T₁₈₃.

It is a happy number.

540580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁵⁴⁰⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

540580 is an abundant number, since it is smaller than the sum of its proper divisors (608540).

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

540580 is a wasteful number, since it uses less digits than its factorization.

540580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 540580 is about 735.2414569378. The cubic root of 540580 is about 81.4616729218.

Subtracting from 540580 its reverse (85045), we obtain a triangular number (455535 = T₉₅₄).

The spelling of 540580 in words is "five hundred forty thousand, five hundred eighty".