540068685 has 32 divisors (see below), whose sum is σ = 945856128. Its totient is φ = 261515520.

The previous prime is 540068677. The next prime is 540068689. The reversal of 540068685 is 586860045.

It is not a de Polignac number, because 540068685 - 2³ = 540068677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540068689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10807 + ... + 34596.

It is an arithmetic number, because the mean of its divisors is an integer number (29558004).

Almost surely, 2^540068685 is an apocalyptic number.

It is an amenable number.

540068685 is a deficient number, since it is larger than the sum of its proper divisors (405787443).

540068685 is a wasteful number, since it uses less digits than its factorization.

540068685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45485.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 540068685 is about 23239.3778961486. The cubic root of 540068685 is about 814.3598093988.

The spelling of 540068685 in words is "five hundred forty million, sixty-eight thousand, six hundred eighty-five".