4000002442 has 8 divisors (see below), whose sum is σ = 6082195716. Its totient is φ = 1972603872.

The previous prime is 4000002439. The next prime is 4000002469. The reversal of 4000002442 is 2442000004.

It can be written as a sum of positive squares in 2 ways, for example, as 3671269281 + 328733161 = 60591^2 + 18131^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13698493 + ... + 13698784.

Almost surely, 2^4000002442 is an apocalyptic number.

4000002442 is a deficient number, since it is larger than the sum of its proper divisors (2082193274).

4000002442 is a wasteful number, since it uses less digits than its factorization.

4000002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27397352.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000002442 is about 63245.5725090698. The cubic root of 4000002442 is about 1587.4013750042.

Adding to 4000002442 its reverse (2442000004), we get a palindrome (6442002446).

The spelling of 4000002442 in words is "four billion, two thousand, four hundred forty-two".