540416040049 has 2 divisors, whose sum is σ = 540416040050. Its totient is φ = 540416040048.

The previous prime is 540416040029. The next prime is 540416040053. The reversal of 540416040049 is 940040614045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480387610000 + 60028430049 = 693100^2 + 245007^2 .

It is a cyclic number.

It is not a de Polignac number, because 540416040049 - 2²¹ = 540413942897 is a prime.

It is not a weakly prime, because it can be changed into another prime (540416040029) 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 as a sum of consecutive naturals, namely, 270208020024 + 270208020025.

It is an arithmetic number, because the mean of its divisors is an integer number (270208020025).

Almost surely, 2^540416040049 is an apocalyptic number.

It is an amenable number.

540416040049 is a deficient number, since it is larger than the sum of its proper divisors (1).

540416040049 is an equidigital number, since it uses as much as digits as its factorization.

540416040049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 540416040049 in words is "five hundred forty billion, four hundred sixteen million, forty thousand, forty-nine".