540028168 has 8 divisors (see below), whose sum is σ = 1012552830. Its totient is φ = 270014080.

The previous prime is 540028163. The next prime is 540028193. The reversal of 540028168 is 861820045.

It can be written as a sum of positive squares in only one way, i.e., 366263044 + 173765124 = 19138^2 + 13182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (540028163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33751753 + ... + 33751768.

Almost surely, 2^540028168 is an apocalyptic number.

It is an amenable number.

540028168 is a deficient number, since it is larger than the sum of its proper divisors (472524662).

540028168 is a wasteful number, since it uses less digits than its factorization.

540028168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67503527 (or 67503523 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 540028168 is about 23238.5061482015. The cubic root of 540028168 is about 814.3394439388.

The spelling of 540028168 in words is "five hundred forty million, twenty-eight thousand, one hundred sixty-eight".