40403144563 has 2 divisors, whose sum is σ = 40403144564. Its totient is φ = 40403144562.

The previous prime is 40403144539. The next prime is 40403144627. The reversal of 40403144563 is 36544130404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40403144563 - 2²¹ = 40401047411 is a prime.

It is not a weakly prime, because it can be changed into another prime (40403144963) 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, 20201572281 + 20201572282.

It is an arithmetic number, because the mean of its divisors is an integer number (20201572282).

Almost surely, 2^40403144563 is an apocalyptic number.

40403144563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403144563 is an equidigital number, since it uses as much as digits as its factorization.

40403144563 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 34.

Adding to 40403144563 its reverse (36544130404), we get a palindrome (76947274967).

The spelling of 40403144563 in words is "forty billion, four hundred three million, one hundred forty-four thousand, five hundred sixty-three".