540810 has 32 divisors (see below), whose sum is σ = 1442880. Its totient is φ = 144144.

The previous prime is 540809. The next prime is 540823. The reversal of 540810 is 18045.

It is a super-2 number, since 2×540810² = 584950912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

540810 is a modest number, since divided by 810 gives 540 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (45090).

2⁵⁴⁰⁸¹⁰ is an apocalyptic number.

540810 is an abundant number, since it is smaller than the sum of its proper divisors (902070).

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

540810 is a wasteful number, since it uses less digits than its factorization.

540810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 540810 is about 735.3978515062. The cubic root of 540810 is about 81.4732244209.

Adding to 540810 its reverse (18045), we get a palindrome (558855).

The spelling of 540810 in words is "five hundred forty thousand, eight hundred ten".