40001304529 has 2 divisors, whose sum is σ = 40001304530. Its totient is φ = 40001304528.

The previous prime is 40001304509. The next prime is 40001304559. The reversal of 40001304529 is 92540310004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39333598929 + 667705600 = 198327^2 + 25840^2 .

It is a cyclic number.

It is not a de Polignac number, because 40001304529 - 2⁹ = 40001304017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40001304497 and 40001304506.

It is not a weakly prime, because it can be changed into another prime (40001304509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000652264 + 20000652265.

It is an arithmetic number, because the mean of its divisors is an integer number (20000652265).

Almost surely, 2^40001304529 is an apocalyptic number.

It is an amenable number.

40001304529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001304529 is an equidigital number, since it uses as much as digits as its factorization.

40001304529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 40001304529 in words is "forty billion, one million, three hundred four thousand, five hundred twenty-nine".