2042140412443 has 8 divisors (see below), whose sum is σ = 2049480074880. Its totient is φ = 2034801263040.

The previous prime is 2042140412437. The next prime is 2042140412447. The reversal of 2042140412443 is 3442140412402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042140412443 is a prime.

It is a super-2 number, since 2×2042140412443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042140412447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9014721 + ... + 9238477.

It is an arithmetic number, because the mean of its divisors is an integer number (256185009360).

Almost surely, 2^{2042140412443} is an apocalyptic number.

2042140412443 is a deficient number, since it is larger than the sum of its proper divisors (7339662437).

2042140412443 is a wasteful number, since it uses less digits than its factorization.

2042140412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256517.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2042140412443 its reverse (3442140412402), we get a palindrome (5484280824845).

The spelling of 2042140412443 in words is "two trillion, forty-two billion, one hundred forty million, four hundred twelve thousand, four hundred forty-three".