4440023142 has 16 divisors (see below), whose sum is σ = 8880703920. Its totient is φ = 1479898112.

The previous prime is 4440023141. The next prime is 4440023167. The reversal of 4440023142 is 2413200444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440023141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129334 + ... + 160022.

It is an arithmetic number, because the mean of its divisors is an integer number (555043995).

Almost surely, 2^4440023142 is an apocalyptic number.

4440023142 is an abundant number, since it is smaller than the sum of its proper divisors (4440680778).

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

4440023142 is a wasteful number, since it uses less digits than its factorization.

4440023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54807.

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

The square root of 4440023142 is about 66633.4986474521. The cubic root of 4440023142 is about 1643.5960085285.

Adding to 4440023142 its reverse (2413200444), we get a palindrome (6853223586).

The spelling of 4440023142 in words is "four billion, four hundred forty million, twenty-three thousand, one hundred forty-two".