540042206331 has 8 divisors (see below), whose sum is σ = 725236536640. Its totient is φ = 357438006792.

The previous prime is 540042206329. The next prime is 540042206449. The reversal of 540042206331 is 133602240045.

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

It is not a de Polignac number, because 540042206331 - 2¹ = 540042206329 is a prime.

It is a super-2 number, since 2×540042206331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540042206731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647532205 + ... + 647533038.

It is an arithmetic number, because the mean of its divisors is an integer number (90654567080).

Almost surely, 2^540042206331 is an apocalyptic number.

540042206331 is a deficient number, since it is larger than the sum of its proper divisors (185194330309).

540042206331 is a wasteful number, since it uses less digits than its factorization.

540042206331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295065385.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 540042206331 its reverse (133602240045), we get a palindrome (673644446376).

The spelling of 540042206331 in words is "five hundred forty billion, forty-two million, two hundred six thousand, three hundred thirty-one".