4042122444 has 18 divisors (see below), whose sum is σ = 10217587380. Its totient is φ = 1347374136.

The previous prime is 4042122439. The next prime is 4042122449. The reversal of 4042122444 is 4442212404.

4042122444 is a `hidden beast` number, since 4 + 0 + 4 + 212 + 2 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (4042122439) and next prime (4042122449).

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (4042122449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56140554 + ... + 56140625.

Almost surely, 2^4042122444 is an apocalyptic number.

It is an amenable number.

4042122444 is an abundant number, since it is smaller than the sum of its proper divisors (6175464936).

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

4042122444 is a wasteful number, since it uses less digits than its factorization.

4042122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112281189 (or 112281184 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4042122444 is about 63577.6882561799. The cubic root of 4042122444 is about 1592.9537073828.

Adding to 4042122444 its reverse (4442212404), we get a palindrome (8484334848).

The spelling of 4042122444 in words is "four billion, forty-two million, one hundred twenty-two thousand, four hundred forty-four".