4004242442 has 8 divisors (see below), whose sum is σ = 6021343332. Its totient is φ = 1997128000.

The previous prime is 4004242399. The next prime is 4004242447. The reversal of 4004242442 is 2442424004.

It can be written as a sum of positive squares in 2 ways, for example, as 3592923481 + 411318961 = 59941^2 + 20281^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4004242447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495609 + ... + 2497212.

Almost surely, 2^4004242442 is an apocalyptic number.

4004242442 is a deficient number, since it is larger than the sum of its proper divisors (2017100890).

4004242442 is a wasteful number, since it uses less digits than its factorization.

4004242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993224.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4004242442 is about 63279.0837639105. The cubic root of 4004242442 is about 1587.9620584196.

Adding to 4004242442 its reverse (2442424004), we get a palindrome (6446666446).

The spelling of 4004242442 in words is "four billion, four million, two hundred forty-two thousand, four hundred forty-two".