40068429299 has 2 divisors, whose sum is σ = 40068429300. Its totient is φ = 40068429298.

The previous prime is 40068429227. The next prime is 40068429307. The reversal of 40068429299 is 99292486004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40068429299 - 2¹⁶ = 40068363763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40068429299.

It is not a weakly prime, because it can be changed into another prime (40068429209) 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, 20034214649 + 20034214650.

It is an arithmetic number, because the mean of its divisors is an integer number (20034214650).

Almost surely, 2^40068429299 is an apocalyptic number.

40068429299 is a deficient number, since it is larger than the sum of its proper divisors (1).

40068429299 is an equidigital number, since it uses as much as digits as its factorization.

40068429299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 40068429299 in words is "forty billion, sixty-eight million, four hundred twenty-nine thousand, two hundred ninety-nine".