540666045 has 24 divisors (see below), whose sum is σ = 992282616. Its totient is φ = 271392768.

The previous prime is 540666031. The next prime is 540666073.

It is a happy number.

540666045 is nontrivially palindromic in base 10.

540666045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47692836 + 492973209 = 6906^2 + 22203^2 .

It is not a de Polignac number, because 540666045 - 2⁵ = 540666013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352612 + ... + 354141.

It is an arithmetic number, because the mean of its divisors is an integer number (41345109).

Almost surely, 2^540666045 is an apocalyptic number.

It is an amenable number.

540666045 is a deficient number, since it is larger than the sum of its proper divisors (451616571).

540666045 is a wasteful number, since it uses less digits than its factorization.

540666045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706781 (or 706778 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 540666045 is about 23252.2266675689. The cubic root of 540666045 is about 814.6599482160.

It can be divided in two parts, 54066604 and 5, that added together give a square (54066609 = 7353²).

The spelling of 540666045 in words is "five hundred forty million, six hundred sixty-six thousand, forty-five".