42440122404269 has 2 divisors, whose sum is σ = 42440122404270. Its totient is φ = 42440122404268.

The previous prime is 42440122404233. The next prime is 42440122404349. The reversal of 42440122404269 is 96240422104424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37851902712100 + 4588219692169 = 6152390^2 + 2142013^2 .

It is a cyclic number.

It is not a de Polignac number, because 42440122404269 - 2²⁴ = 42440105627053 is a prime.

It is a super-2 number, since 2×42440122404269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42440122404769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220061202134 + 21220061202135.

It is an arithmetic number, because the mean of its divisors is an integer number (21220061202135).

Almost surely, 2^{42440122404269} is an apocalyptic number.

It is an amenable number.

42440122404269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42440122404269 is an equidigital number, since it uses as much as digits as its factorization.

42440122404269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 42440122404269 in words is "forty-two trillion, four hundred forty billion, one hundred twenty-two million, four hundred four thousand, two hundred sixty-nine".