40629492529 has 2 divisors, whose sum is σ = 40629492530. Its totient is φ = 40629492528.

The previous prime is 40629492509. The next prime is 40629492539. The reversal of 40629492529 is 92529492604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40452070129 + 177422400 = 201127^2 + 13320^2 .

It is a cyclic number.

It is not a de Polignac number, because 40629492529 - 2¹⁹ = 40628968241 is a prime.

It is not a weakly prime, because it can be changed into another prime (40629492509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20314746264 + 20314746265.

It is an arithmetic number, because the mean of its divisors is an integer number (20314746265).

Almost surely, 2^40629492529 is an apocalyptic number.

It is an amenable number.

40629492529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40629492529 is an equidigital number, since it uses as much as digits as its factorization.

40629492529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 40629492529 in words is "forty billion, six hundred twenty-nine million, four hundred ninety-two thousand, five hundred twenty-nine".