4042423140 has 96 divisors (see below), whose sum is σ = 12989754624. Its totient is φ = 920125440.

The previous prime is 4042423111. The next prime is 4042423153. The reversal of 4042423140 is 413242404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042423140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81252 + ... + 121188.

It is an arithmetic number, because the mean of its divisors is an integer number (135309944).

Almost surely, 2^4042423140 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 4042423140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6494877312).

4042423140 is an abundant number, since it is smaller than the sum of its proper divisors (8947331484).

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

4042423140 is a wasteful number, since it uses less digits than its factorization.

4042423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40197 (or 40195 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4042423140 is about 63580.0530040672. The cubic root of 4042423140 is about 1592.9932066753.

Adding to 4042423140 its reverse (413242404), we get a palindrome (4455665544).

The spelling of 4042423140 in words is "four billion, forty-two million, four hundred twenty-three thousand, one hundred forty".