540022066 has 12 divisors (see below), whose sum is σ = 854911422. Its totient is φ = 255799584.

The previous prime is 540022061. The next prime is 540022127. The reversal of 540022066 is 660220045.

It can be written as a sum of positive squares in only one way, i.e., 527666841 + 12355225 = 22971^2 + 3515^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 540022066.

It is not an unprimeable number, because it can be changed into a prime (540022061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373255 + ... + 374698.

Almost surely, 2^540022066 is an apocalyptic number.

540022066 is a deficient number, since it is larger than the sum of its proper divisors (314889356).

540022066 is a wasteful number, since it uses less digits than its factorization.

540022066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747993 (or 747974 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 540022066 is about 23238.3748571194. The cubic root of 540022066 is about 814.3363767420.

The spelling of 540022066 in words is "five hundred forty million, twenty-two thousand, sixty-six".