4004323042 has 4 divisors (see below), whose sum is σ = 6006484566. Its totient is φ = 2002161520.

The previous prime is 4004323033. The next prime is 4004323051. The reversal of 4004323042 is 2403234004.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4004323033) and next prime (4004323051).

It can be written as a sum of positive squares in only one way, i.e., 2137305361 + 1867017681 = 46231^2 + 43209^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 1001080759 + ... + 1001080762.

Almost surely, 2^4004323042 is an apocalyptic number.

4004323042 is a deficient number, since it is larger than the sum of its proper divisors (2002161524).

4004323042 is a wasteful number, since it uses less digits than its factorization.

4004323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002161523.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 4004323042 is about 63279.7206220129. The cubic root of 4004323042 is about 1587.9727128597.

Adding to 4004323042 its reverse (2403234004), we get a palindrome (6407557046).

The spelling of 4004323042 in words is "four billion, four million, three hundred twenty-three thousand, forty-two".