40403550243103 has 2 divisors, whose sum is σ = 40403550243104. Its totient is φ = 40403550243102.

The previous prime is 40403550242953. The next prime is 40403550243109. The reversal of 40403550243103 is 30134205530404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40403550243103 - 2³³ = 40394960308511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40403550243109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201775121551 + 20201775121552.

It is an arithmetic number, because the mean of its divisors is an integer number (20201775121552).

Almost surely, 2^{40403550243103} is an apocalyptic number.

40403550243103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403550243103 is an equidigital number, since it uses as much as digits as its factorization.

40403550243103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40403550243103 its reverse (30134205530404), we get a palindrome (70537755773507).

The spelling of 40403550243103 in words is "forty trillion, four hundred three billion, five hundred fifty million, two hundred forty-three thousand, one hundred three".