4042125444 has 144 divisors (see below), whose sum is σ = 11467068480. Its totient is φ = 1103558400.

The previous prime is 4042125407. The next prime is 4042125457. The reversal of 4042125444 is 4445212404.

4042125444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1721079 + ... + 1723425.

It is an arithmetic number, because the mean of its divisors is an integer number (79632420).

Almost surely, 2^4042125444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042125444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733534240).

4042125444 is an abundant number, since it is smaller than the sum of its proper divisors (7424943036).

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

4042125444 is a wasteful number, since it uses less digits than its factorization.

4042125444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 4042125444 is about 63577.7118493580. The cubic root of 4042125444 is about 1592.9541014711.

Adding to 4042125444 its reverse (4445212404), we get a palindrome (8487337848).

The spelling of 4042125444 in words is "four billion, forty-two million, one hundred twenty-five thousand, four hundred forty-four".