2042255442 has 16 divisors (see below), whose sum is σ = 4094264160. Its totient is φ = 679126272.

The previous prime is 2042255437. The next prime is 2042255447. The reversal of 2042255442 is 2445522402.

It is an interprime number because it is at equal distance from previous prime (2042255437) and next prime (2042255447).

It is not an unprimeable number, because it can be changed into a prime (2042255447) 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, 403663 + ... + 408690.

It is an arithmetic number, because the mean of its divisors is an integer number (255891510).

Almost surely, 2^2042255442 is an apocalyptic number.

2042255442 is an abundant number, since it is smaller than the sum of its proper divisors (2052008718).

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

2042255442 is a wasteful number, since it uses less digits than its factorization.

2042255442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812777.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 2042255442 is about 45191.3204277105. The cubic root of 2042255442 is about 1268.7323706384.

Adding to 2042255442 its reverse (2445522402), we get a palindrome (4487777844).

The spelling of 2042255442 in words is "two billion, forty-two million, two hundred fifty-five thousand, four hundred forty-two".