540013566 has 16 divisors (see below), whose sum is σ = 1085148288. Its totient is φ = 179151000.

The previous prime is 540013549. The next prime is 540013601. The reversal of 540013566 is 665310045.

It is a super-2 number, since 2×540013566² = 583229302928072712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212010 + ... + 214541.

It is an arithmetic number, because the mean of its divisors is an integer number (67821768).

Almost surely, 2^540013566 is an apocalyptic number.

540013566 is an abundant number, since it is smaller than the sum of its proper divisors (545134722).

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

540013566 is a wasteful number, since it uses less digits than its factorization.

540013566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426767.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 540013566 is about 23238.1919692561. The cubic root of 540013566 is about 814.3321041416.

The spelling of 540013566 in words is "five hundred forty million, thirteen thousand, five hundred sixty-six".