4004142442 has 8 divisors (see below), whose sum is σ = 6168543876. Its totient is φ = 1947961152.

The previous prime is 4004142391. The next prime is 4004142511. The reversal of 4004142442 is 2442414004.

It can be written as a sum of positive squares in 2 ways, for example, as 2975593401 + 1028549041 = 54549^2 + 32071^2 .

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

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, 27054943 + ... + 27055090.

Almost surely, 2^4004142442 is an apocalyptic number.

4004142442 is a deficient number, since it is larger than the sum of its proper divisors (2164401434).

4004142442 is a wasteful number, since it uses less digits than its factorization.

4004142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54110072.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4004142442 is about 63278.2936084721. The cubic root of 4004142442 is about 1587.9488393126.

Adding to 4004142442 its reverse (2442414004), we get a palindrome (6446556446).

The spelling of 4004142442 in words is "four billion, four million, one hundred forty-two thousand, four hundred forty-two".