540661132 has 48 divisors (see below), whose sum is σ = 1111501440. Its totient is φ = 227360000.

The previous prime is 540661127. The next prime is 540661133. The reversal of 540661132 is 231166045.

It is a self number, because there is not a number n which added to its sum of digits gives 540661132.

It is not an unprimeable number, because it can be changed into a prime (540661133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38007 + ... + 50257.

It is an arithmetic number, because the mean of its divisors is an integer number (23156280).

Almost surely, 2^540661132 is an apocalyptic number.

It is an amenable number.

540661132 is an abundant number, since it is smaller than the sum of its proper divisors (570840308).

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

540661132 is a wasteful number, since it uses less digits than its factorization.

540661132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 12340 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 540661132 is about 23252.1210215326. The cubic root of 540661132 is about 814.6574806197.

The spelling of 540661132 in words is "five hundred forty million, six hundred sixty-one thousand, one hundred thirty-two".