42440343423341 has 6 divisors (see below), whose sum is σ = 44791608987342. Its totient is φ = 40206641137560.

The previous prime is 42440343423311. The next prime is 42440343423367. The reversal of 42440343423341 is 14332434304424.

It can be written as a sum of positive squares in only one way, i.e., 42152426400100 + 287917023241 = 6492490^2 + 536579^2 .

It is not a de Polignac number, because 42440343423341 - 2³⁴ = 42423163554157 is a prime.

It is a super-2 number, since 2×42440343423341² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440343423311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58781638730 + ... + 58781639451.

It is an arithmetic number, because the mean of its divisors is an integer number (7465268164557).

Almost surely, 2^{42440343423341} is an apocalyptic number.

It is an amenable number.

42440343423341 is a deficient number, since it is larger than the sum of its proper divisors (2351265564001).

42440343423341 is a wasteful number, since it uses less digits than its factorization.

42440343423341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117563278219 (or 117563278200 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 42440343423341 its reverse (14332434304424), we get a palindrome (56772777727765).

The spelling of 42440343423341 in words is "forty-two trillion, four hundred forty billion, three hundred forty-three million, four hundred twenty-three thousand, three hundred forty-one".