40542403417 has 2 divisors, whose sum is σ = 40542403418. Its totient is φ = 40542403416.

The previous prime is 40542403381. The next prime is 40542403441. The reversal of 40542403417 is 71430424504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29015374921 + 11527028496 = 170339^2 + 107364^2 .

It is a cyclic number.

It is not a de Polignac number, because 40542403417 - 2¹⁹ = 40541879129 is a prime.

It is not a weakly prime, because it can be changed into another prime (40542403487) 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, 20271201708 + 20271201709.

It is an arithmetic number, because the mean of its divisors is an integer number (20271201709).

Almost surely, 2^40542403417 is an apocalyptic number.

It is an amenable number.

40542403417 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542403417 is an equidigital number, since it uses as much as digits as its factorization.

40542403417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 40542403417 in words is "forty billion, five hundred forty-two million, four hundred three thousand, four hundred seventeen".