2142444441 has 16 divisors (see below), whose sum is σ = 2950225920. Its totient is φ = 1381526160.

The previous prime is 2142444439. The next prime is 2142444449. The reversal of 2142444441 is 1444442412.

It is not a de Polignac number, because 2142444441 - 2¹ = 2142444439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142444399 and 2142444408.

It is not an unprimeable number, because it can be changed into a prime (2142444449) 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, 231970 + ... + 241028.

It is an arithmetic number, because the mean of its divisors is an integer number (184389120).

Almost surely, 2^2142444441 is an apocalyptic number.

It is an amenable number.

2142444441 is a deficient number, since it is larger than the sum of its proper divisors (807781479).

2142444441 is a wasteful number, since it uses less digits than its factorization.

2142444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636.

The product of its digits is 16384, while the sum is 30.

The square root of 2142444441 is about 46286.5470844391. The cubic root of 2142444441 is about 1289.1492178741.

Adding to 2142444441 its reverse (1444442412), we get a palindrome (3586886853).

The spelling of 2142444441 in words is "two billion, one hundred forty-two million, four hundred forty-four thousand, four hundred forty-one".