540540732 has 24 divisors (see below), whose sum is σ = 1261717072. Its totient is φ = 180115200.

The previous prime is 540540727. The next prime is 540540739. The reversal of 540540732 is 237045045.

It is a self number, because there is not a number n which added to its sum of digits gives 540540732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540540739) 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, 36132 + ... + 48852.

Almost surely, 2^540540732 is an apocalyptic number.

It is an amenable number.

540540732 is an abundant number, since it is smaller than the sum of its proper divisors (721176340).

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

540540732 is a wasteful number, since it uses less digits than its factorization.

540540732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16269 (or 16267 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 540540732 is about 23249.5318662549. The cubic root of 540540732 is about 814.5970040189.

Adding to 540540732 its reverse (237045045), we get a palindrome (777585777).

The spelling of 540540732 in words is "five hundred forty million, five hundred forty thousand, seven hundred thirty-two".