40740572429 has 2 divisors, whose sum is σ = 40740572430. Its totient is φ = 40740572428.

The previous prime is 40740572413. The next prime is 40740572441. The reversal of 40740572429 is 92427504704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26862554404 + 13878018025 = 163898^2 + 117805^2 .

It is a cyclic number.

It is not a de Polignac number, because 40740572429 - 2⁴ = 40740572413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40740572429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40740572329) 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, 20370286214 + 20370286215.

It is an arithmetic number, because the mean of its divisors is an integer number (20370286215).

Almost surely, 2^40740572429 is an apocalyptic number.

It is an amenable number.

40740572429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740572429 is an equidigital number, since it uses as much as digits as its factorization.

40740572429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40740572429 in words is "forty billion, seven hundred forty million, five hundred seventy-two thousand, four hundred twenty-nine".