540641705 has 24 divisors (see below), whose sum is σ = 684683520. Its totient is φ = 409396320.

The previous prime is 540641687. The next prime is 540641729. The reversal of 540641705 is 507146045.

It is not a de Polignac number, because 540641705 - 2⁸ = 540641449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341606 + ... + 343184.

It is an arithmetic number, because the mean of its divisors is an integer number (28528480).

Almost surely, 2^540641705 is an apocalyptic number.

It is an amenable number.

540641705 is a deficient number, since it is larger than the sum of its proper divisors (144041815).

540641705 is a wasteful number, since it uses less digits than its factorization.

540641705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 540641705 is about 23251.7032709434. The cubic root of 540641705 is about 814.6477230967.

The spelling of 540641705 in words is "five hundred forty million, six hundred forty-one thousand, seven hundred five".