540020005 has 8 divisors (see below), whose sum is σ = 740598912. Its totient is φ = 370299408.

The previous prime is 540020003. The next prime is 540020009. The reversal of 540020005 is 500020045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 540020005 - 2¹ = 540020003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540020003) 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, 7714537 + ... + 7714606.

It is an arithmetic number, because the mean of its divisors is an integer number (92574864).

Almost surely, 2^540020005 is an apocalyptic number.

It is an amenable number.

540020005 is a deficient number, since it is larger than the sum of its proper divisors (200578907).

540020005 is a wasteful number, since it uses less digits than its factorization.

540020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15429155.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 540020005 is about 23238.3305123238. The cubic root of 540020005 is about 814.3353407662.

The spelling of 540020005 in words is "five hundred forty million, twenty thousand, five".