543042540 has 72 divisors (see below), whose sum is σ = 1687428288. Its totient is φ = 141277440.

The previous prime is 543042529. The next prime is 543042541. The reversal of 543042540 is 45240345.

543042540 is a `hidden beast` number, since 54 + 30 + 42 + 540 = 666.

543042540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (543042541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29412 + ... + 44171.

It is an arithmetic number, because the mean of its divisors is an integer number (23436504).

Almost surely, 2^543042540 is an apocalyptic number.

It is an amenable number.

543042540 is an abundant number, since it is smaller than the sum of its proper divisors (1144385748).

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

543042540 is a wasteful number, since it uses less digits than its factorization.

543042540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73639 (or 73634 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 543042540 is about 23303.2731606528. The cubic root of 543042540 is about 815.8518149310.

Adding to 543042540 its reverse (45240345), we get a palindrome (588282885).

The spelling of 543042540 in words is "five hundred forty-three million, forty-two thousand, five hundred forty".