2040443442 has 24 divisors (see below), whose sum is σ = 4476925440. Its totient is φ = 671537880.

The previous prime is 2040443441. The next prime is 2040443443. The reversal of 2040443442 is 2443440402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040443441) and next prime (2040443443).

It is not an unprimeable number, because it can be changed into a prime (2040443441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716034 + ... + 718877.

It is an arithmetic number, because the mean of its divisors is an integer number (186538560).

Almost surely, 2^2040443442 is an apocalyptic number.

2040443442 is an abundant number, since it is smaller than the sum of its proper divisors (2436481998).

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

2040443442 is a wasteful number, since it uses less digits than its factorization.

2040443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434998 (or 1434995 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2040443442 is about 45171.2678812539. The cubic root of 2040443442 is about 1268.3570301759.

Adding to 2040443442 its reverse (2443440402), we get a palindrome (4483883844).

The spelling of 2040443442 in words is "two billion, forty million, four hundred forty-three thousand, four hundred forty-two".