2040442123242 has 16 divisors (see below), whose sum is σ = 4081167205632. Its totient is φ = 680100214560.

The previous prime is 2040442123241. The next prime is 2040442123249. The reversal of 2040442123242 is 2423212440402.

It is a happy number.

It is a super-2 number, since 2×2040442123242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040442123241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11696163 + ... + 11869334.

It is an arithmetic number, because the mean of its divisors is an integer number (255072950352).

Almost surely, 2^{2040442123242} is an apocalyptic number.

2040442123242 is an abundant number, since it is smaller than the sum of its proper divisors (2040725082390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040442123242 is a wasteful number, since it uses less digits than its factorization.

2040442123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23579933.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 2040442123242 its reverse (2423212440402), we get a palindrome (4463654563644).

The spelling of 2040442123242 in words is "two trillion, forty billion, four hundred forty-two million, one hundred twenty-three thousand, two hundred forty-two".