540168845 has 8 divisors (see below), whose sum is σ = 660433176. Its totient is φ = 423981376.

The previous prime is 540168749. The next prime is 540168887. The reversal of 540168845 is 548861045.

It can be written as a sum of positive squares in 4 ways, for example, as 20921476 + 519247369 = 4574^2 + 22787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540168845 - 2¹⁴ = 540152461 is a prime.

It is a super-2 number, since 2×540168845² = 583564762217268050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018922 + ... + 1019451.

It is an arithmetic number, because the mean of its divisors is an integer number (82554147).

Almost surely, 2^540168845 is an apocalyptic number.

It is an amenable number.

540168845 is a deficient number, since it is larger than the sum of its proper divisors (120264331).

540168845 is a wasteful number, since it uses less digits than its factorization.

540168845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038431.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 540168845 is about 23241.5327592653. The cubic root of 540168845 is about 814.4101494382.

The spelling of 540168845 in words is "five hundred forty million, one hundred sixty-eight thousand, eight hundred forty-five".