4004440442 has 8 divisors (see below), whose sum is σ = 6010704576. Its totient is φ = 2000872252.

The previous prime is 4004440441. The next prime is 4004440471. The reversal of 4004440442 is 2440444004.

It is a happy number.

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 (4004440441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670268 + ... + 676215.

It is an arithmetic number, because the mean of its divisors is an integer number (751338072).

Almost surely, 2^4004440442 is an apocalyptic number.

4004440442 is a deficient number, since it is larger than the sum of its proper divisors (2006264134).

4004440442 is a wasteful number, since it uses less digits than its factorization.

4004440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347972.

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

The square root of 4004440442 is about 63280.6482425710. The cubic root of 4004440442 is about 1587.9882316022.

Adding to 4004440442 its reverse (2440444004), we get a palindrome (6444884446).

The spelling of 4004440442 in words is "four billion, four million, four hundred forty thousand, four hundred forty-two".