40600427129 has 2 divisors, whose sum is σ = 40600427130. Its totient is φ = 40600427128.

The previous prime is 40600427111. The next prime is 40600427143. The reversal of 40600427129 is 92172400604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37201537129 + 3398890000 = 192877^2 + 58300^2 .

It is a cyclic number.

It is not a de Polignac number, because 40600427129 - 2³² = 36305459833 is a prime.

It is not a weakly prime, because it can be changed into another prime (40600427629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20300213564 + 20300213565.

It is an arithmetic number, because the mean of its divisors is an integer number (20300213565).

Almost surely, 2^40600427129 is an apocalyptic number.

It is an amenable number.

40600427129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40600427129 is an equidigital number, since it uses as much as digits as its factorization.

40600427129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 40600427129 in words is "forty billion, six hundred million, four hundred twenty-seven thousand, one hundred twenty-nine".