40344373079 has 2 divisors, whose sum is σ = 40344373080. Its totient is φ = 40344373078.

The previous prime is 40344373073. The next prime is 40344373081. The reversal of 40344373079 is 97037344304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40344373079 - 2⁴ = 40344373063 is a prime.

Together with 40344373081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40344373073) 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, 20172186539 + 20172186540.

It is an arithmetic number, because the mean of its divisors is an integer number (20172186540).

Almost surely, 2^40344373079 is an apocalyptic number.

40344373079 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344373079 is an equidigital number, since it uses as much as digits as its factorization.

40344373079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 40344373079 in words is "forty billion, three hundred forty-four million, three hundred seventy-three thousand, seventy-nine".