4004440142 has 8 divisors (see below), whose sum is σ = 6006948336. Its totient is φ = 2002124032.

The previous prime is 4004440129. The next prime is 4004440163. The reversal of 4004440142 is 2410444004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28463 + ... + 93909.

It is an arithmetic number, because the mean of its divisors is an integer number (750868542).

Almost surely, 2^4004440142 is an apocalyptic number.

4004440142 is a deficient number, since it is larger than the sum of its proper divisors (2002508194).

4004440142 is a wasteful number, since it uses less digits than its factorization.

4004440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96042.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4004440142 is about 63280.6458721780. The cubic root of 4004440142 is about 1587.9881919465.

Adding to 4004440142 its reverse (2410444004), we get a palindrome (6414884146).

The spelling of 4004440142 in words is "four billion, four million, four hundred forty thousand, one hundred forty-two".