2042240404242 has 32 divisors (see below), whose sum is σ = 4306005793152. Its totient is φ = 644436232704.

The previous prime is 2042240404241. The next prime is 2042240404249. The reversal of 2042240404242 is 2424040422402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2042240404241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76269313 + ... + 76296084.

It is an arithmetic number, because the mean of its divisors is an integer number (134562681036).

Almost surely, 2^{2042240404242} is an apocalyptic number.

2042240404242 is an abundant number, since it is smaller than the sum of its proper divisors (2263765388910).

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

2042240404242 is a wasteful number, since it uses less digits than its factorization.

2042240404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152565522.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2042240404242 its reverse (2424040422402), we get a palindrome (4466280826644).

The spelling of 2042240404242 in words is "two trillion, forty-two billion, two hundred forty million, four hundred four thousand, two hundred forty-two".