540407217 has 8 divisors (see below), whose sum is σ = 823477696. Its totient is φ = 308804112.

The previous prime is 540407213. The next prime is 540407243. The reversal of 540407217 is 712704045.

540407217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 540407217 - 2² = 540407213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540407213) 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, 12866818 + ... + 12866859.

It is an arithmetic number, because the mean of its divisors is an integer number (102934712).

Almost surely, 2^540407217 is an apocalyptic number.

It is an amenable number.

540407217 is a deficient number, since it is larger than the sum of its proper divisors (283070479).

540407217 is a wasteful number, since it uses less digits than its factorization.

540407217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25733687.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 540407217 is about 23246.6603407887. The cubic root of 540407217 is about 814.5299292864.

The spelling of 540407217 in words is "five hundred forty million, four hundred seven thousand, two hundred seventeen".