540404400566003 has 2 divisors, whose sum is σ = 540404400566004. Its totient is φ = 540404400566002.

The previous prime is 540404400565933. The next prime is 540404400566021. The reversal of 540404400566003 is 300665004404045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540404400566003 - 2⁴⁰ = 539304888938227 is a prime.

It is a super-2 number, since 2×540404400566003² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540404400566203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270202200283001 + 270202200283002.

It is an arithmetic number, because the mean of its divisors is an integer number (270202200283002).

Almost surely, 2^{540404400566003} is an apocalyptic number.

540404400566003 is a deficient number, since it is larger than the sum of its proper divisors (1).

540404400566003 is an equidigital number, since it uses as much as digits as its factorization.

540404400566003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 540404400566003 in words is "five hundred forty trillion, four hundred four billion, four hundred million, five hundred sixty-six thousand, three".