2042243442 has 24 divisors (see below), whose sum is σ = 4588745616. Its totient is φ = 680747652.

The previous prime is 2042243431. The next prime is 2042243491. The reversal of 2042243442 is 2443422402.

2042243442 is a `hidden beast` number, since 204 + 22 + 434 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 2100588 + ... + 2101559.

It is an arithmetic number, because the mean of its divisors is an integer number (191197734).

Almost surely, 2^2042243442 is an apocalyptic number.

2042243442 is an abundant number, since it is smaller than the sum of its proper divisors (2546502174).

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

2042243442 is an equidigital number, since it uses as much as digits as its factorization.

2042243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202164 (or 4202152 counting only the distinct ones).

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

The square root of 2042243442 is about 45191.1876586575. The cubic root of 2042243442 is about 1268.7298856704.

Adding to 2042243442 its reverse (2443422402), we get a palindrome (4485665844).

The spelling of 2042243442 in words is "two billion, forty-two million, two hundred forty-three thousand, four hundred forty-two".