540111680 has 28 divisors (see below), whose sum is σ = 1286141700. Its totient is φ = 216044544.

The previous prime is 540111679. The next prime is 540111683. The reversal of 540111680 is 86111045.

It can be written as a sum of positive squares in 2 ways, for example, as 150601984 + 389509696 = 12272^2 + 19736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540111683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843605 + ... + 844244.

Almost surely, 2^540111680 is an apocalyptic number.

It is an amenable number.

540111680 is an abundant number, since it is smaller than the sum of its proper divisors (746030020).

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

540111680 is a wasteful number, since it uses less digits than its factorization.

540111680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687866 (or 1687856 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 540111680 is about 23240.3029240154. The cubic root of 540111680 is about 814.3814192865.

The spelling of 540111680 in words is "five hundred forty million, one hundred eleven thousand, six hundred eighty".