540489105 has 96 divisors (see below), whose sum is σ = 1101959040. Its totient is φ = 251942400.

The previous prime is 540489091. The next prime is 540489107. The reversal of 540489105 is 501984045.

540489105 is a `hidden beast` number, since 540 + 4 + 8 + 9 + 105 = 666.

It is not a de Polignac number, because 540489105 - 2⁵ = 540489073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540489105.

It is not an unprimeable number, because it can be changed into a prime (540489107) 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 95 ways as a sum of consecutive naturals, for example, 299205 + ... + 301005.

It is an arithmetic number, because the mean of its divisors is an integer number (11478740).

Almost surely, 2^540489105 is an apocalyptic number.

It is an amenable number.

540489105 is an abundant number, since it is smaller than the sum of its proper divisors (561469935).

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

540489105 is a wasteful number, since it uses less digits than its factorization.

540489105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 540489105 is about 23248.4215593231. The cubic root of 540489105 is about 814.5710691627.

The spelling of 540489105 in words is "five hundred forty million, four hundred eighty-nine thousand, one hundred five".