540240053369 has 2 divisors, whose sum is σ = 540240053370. Its totient is φ = 540240053368.

The previous prime is 540240053321. The next prime is 540240053377. The reversal of 540240053369 is 963350042045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381166707769 + 159073345600 = 617387^2 + 398840^2 .

It is a cyclic number.

It is not a de Polignac number, because 540240053369 - 2³⁶ = 471520576633 is a prime.

It is a super-2 number, since 2×540240053369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540240053069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270120026684 + 270120026685.

It is an arithmetic number, because the mean of its divisors is an integer number (270120026685).

Almost surely, 2^540240053369 is an apocalyptic number.

It is an amenable number.

540240053369 is a deficient number, since it is larger than the sum of its proper divisors (1).

540240053369 is an equidigital number, since it uses as much as digits as its factorization.

540240053369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 540240053369 in words is "five hundred forty billion, two hundred forty million, fifty-three thousand, three hundred sixty-nine".