2040442042 has 8 divisors (see below), whose sum is σ = 3068869716. Its totient is φ = 1017485472.

The previous prime is 2040442031. The next prime is 2040442057. The reversal of 2040442042 is 2402440402.

It can be written as a sum of positive squares in 2 ways, for example, as 2040419241 + 22801 = 45171^2 + 151^2 .

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

It is a super-2 number, since 2×2040442042² = 8326807453522259528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366843 + ... + 1368334.

Almost surely, 2^2040442042 is an apocalyptic number.

2040442042 is a deficient number, since it is larger than the sum of its proper divisors (1028427674).

2040442042 is a wasteful number, since it uses less digits than its factorization.

2040442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735552.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2040442042 is about 45171.2523846749. The cubic root of 2040442042 is about 1268.3567400918.

Adding to 2040442042 its reverse (2402440402), we get a palindrome (4442882444).

The spelling of 2040442042 in words is "two billion, forty million, four hundred forty-two thousand, forty-two".