4002004442 has 16 divisors (see below), whose sum is σ = 6406179840. Its totient is φ = 1868465088.

The previous prime is 4002004429. The next prime is 4002004463. The reversal of 4002004442 is 2444002004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459092 + ... + 467727.

It is an arithmetic number, because the mean of its divisors is an integer number (400386240).

Almost surely, 2^4002004442 is an apocalyptic number.

4002004442 is a deficient number, since it is larger than the sum of its proper divisors (2404175398).

4002004442 is a wasteful number, since it uses less digits than its factorization.

4002004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926965.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4002004442 is about 63261.3977240465. The cubic root of 4002004442 is about 1587.6661621349. Note that the first 3 decimals are identical.

Adding to 4002004442 its reverse (2444002004), we get a palindrome (6446006446).

The spelling of 4002004442 in words is "four billion, two million, four thousand, four hundred forty-two".