4042445144 has 8 divisors (see below), whose sum is σ = 7579584660. Its totient is φ = 2021222568.

The previous prime is 4042445123. The next prime is 4042445159. The reversal of 4042445144 is 4415442404.

4042445144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4042445144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252652814 + ... + 252652829.

Almost surely, 2^4042445144 is an apocalyptic number.

It is an amenable number.

4042445144 is a deficient number, since it is larger than the sum of its proper divisors (3537139516).

4042445144 is a wasteful number, since it uses less digits than its factorization.

4042445144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505305649 (or 505305645 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

The square root of 4042445144 is about 63580.2260455246. The cubic root of 4042445144 is about 1592.9960970341.

Adding to 4042445144 its reverse (4415442404), we get a palindrome (8457887548).

The spelling of 4042445144 in words is "four billion, forty-two million, four hundred forty-five thousand, one hundred forty-four".