40022012029 has 2 divisors, whose sum is σ = 40022012030. Its totient is φ = 40022012028.

The previous prime is 40022012011. The next prime is 40022012039. The reversal of 40022012029 is 92021022004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31356263929 + 8665748100 = 177077^2 + 93090^2 .

It is a cyclic number.

It is not a de Polignac number, because 40022012029 - 2²³ = 40013623421 is a prime.

It is a super-2 number, since 2×40022012029² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40022012039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011006014 + 20011006015.

It is an arithmetic number, because the mean of its divisors is an integer number (20011006015).

Almost surely, 2^40022012029 is an apocalyptic number.

It is an amenable number.

40022012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40022012029 is an equidigital number, since it uses as much as digits as its factorization.

40022012029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 40022012029 in words is "forty billion, twenty-two million, twelve thousand, twenty-nine".