540510439 has 16 divisors (see below), whose sum is σ = 646228800. Its totient is φ = 442278144.

The previous prime is 540510431. The next prime is 540510457. The reversal of 540510439 is 934015045.

It is not a de Polignac number, because 540510439 - 2³ = 540510431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540510439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540510431) 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, 3109 + ... + 33025.

It is an arithmetic number, because the mean of its divisors is an integer number (40389300).

Almost surely, 2^540510439 is an apocalyptic number.

540510439 is a deficient number, since it is larger than the sum of its proper divisors (105718361).

540510439 is a wasteful number, since it uses less digits than its factorization.

540510439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 540510439 is about 23248.8803816442. The cubic root of 540510439 is about 814.5817865113.

The spelling of 540510439 in words is "five hundred forty million, five hundred ten thousand, four hundred thirty-nine".