540230666 has 8 divisors (see below), whose sum is σ = 810591300. Its totient is φ = 270033568.

The previous prime is 540230659. The next prime is 540230681. The reversal of 540230666 is 666032045.

It can be written as a sum of positive squares in 2 ways, for example, as 475894225 + 64336441 = 21815^2 + 8021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32261 + ... + 46056.

Almost surely, 2^540230666 is an apocalyptic number.

540230666 is a deficient number, since it is larger than the sum of its proper divisors (270360634).

540230666 is a wasteful number, since it uses less digits than its factorization.

540230666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81768.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 540230666 is about 23242.8626894365. The cubic root of 540230666 is about 814.4412173347.

The spelling of 540230666 in words is "five hundred forty million, two hundred thirty thousand, six hundred sixty-six".