40542413339 has 2 divisors, whose sum is σ = 40542413340. Its totient is φ = 40542413338.

The previous prime is 40542413321. The next prime is 40542413363. The reversal of 40542413339 is 93331424504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40542413339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40542415339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20271206669 + 20271206670.

It is an arithmetic number, because the mean of its divisors is an integer number (20271206670).

Almost surely, 2^40542413339 is an apocalyptic number.

40542413339 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542413339 is an equidigital number, since it uses as much as digits as its factorization.

40542413339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 40542413339 in words is "forty billion, five hundred forty-two million, four hundred thirteen thousand, three hundred thirty-nine".