40046606429 has 2 divisors, whose sum is σ = 40046606430. Its totient is φ = 40046606428.

The previous prime is 40046606417. The next prime is 40046606477. The reversal of 40046606429 is 92460664004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25383818329 + 14662788100 = 159323^2 + 121090^2 .

It is a cyclic number.

It is not a de Polignac number, because 40046606429 - 2¹⁶ = 40046540893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40046606029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20023303214 + 20023303215.

It is an arithmetic number, because the mean of its divisors is an integer number (20023303215).

Almost surely, 2^40046606429 is an apocalyptic number.

It is an amenable number.

40046606429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40046606429 is an equidigital number, since it uses as much as digits as its factorization.

40046606429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 40046606429 in words is "forty billion, forty-six million, six hundred six thousand, four hundred twenty-nine".