540409827 has 8 divisors (see below), whose sum is σ = 740020816. Its totient is φ = 350536032.

The previous prime is 540409811. The next prime is 540409879. The reversal of 540409827 is 728904045.

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

It is not a de Polignac number, because 540409827 - 2⁴ = 540409811 is a prime.

It is a super-2 number, since 2×540409827² = 584085562236339858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540409027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434168 + ... + 2434389.

It is an arithmetic number, because the mean of its divisors is an integer number (92502602).

Almost surely, 2^540409827 is an apocalyptic number.

540409827 is a deficient number, since it is larger than the sum of its proper divisors (199610989).

540409827 is a wasteful number, since it uses less digits than its factorization.

540409827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868597.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 540409827 is about 23246.7164778168. The cubic root of 540409827 is about 814.5312405937.

The spelling of 540409827 in words is "five hundred forty million, four hundred nine thousand, eight hundred twenty-seven".