540690685 has 16 divisors (see below), whose sum is σ = 675924480. Its totient is φ = 414745920.

The previous prime is 540690677. The next prime is 540690701. The reversal of 540690685 is 586096045.

It is not a de Polignac number, because 540690685 - 2³ = 540690677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894 + ... + 32896.

It is an arithmetic number, because the mean of its divisors is an integer number (42245280).

Almost surely, 2^540690685 is an apocalyptic number.

It is an amenable number.

540690685 is a deficient number, since it is larger than the sum of its proper divisors (135233795).

540690685 is a wasteful number, since it uses less digits than its factorization.

540690685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32148.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 540690685 is about 23252.7565032621. The cubic root of 540690685 is about 814.6723236409.

The spelling of 540690685 in words is "five hundred forty million, six hundred ninety thousand, six hundred eighty-five".