4002431332 has 6 divisors (see below), whose sum is σ = 7004254838. Its totient is φ = 2001215664.

The previous prime is 4002431309. The next prime is 4002431347. The reversal of 4002431332 is 2331342004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3900502116 + 101929216 = 62454^2 + 10096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500303913 + ... + 500303920.

Almost surely, 2^4002431332 is an apocalyptic number.

It is an amenable number.

4002431332 is a deficient number, since it is larger than the sum of its proper divisors (3001823506).

4002431332 is a wasteful number, since it uses less digits than its factorization.

4002431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000607837 (or 1000607835 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4002431332 is about 63264.7716505798. The cubic root of 4002431332 is about 1587.7226117400.

Adding to 4002431332 its reverse (2331342004), we get a palindrome (6333773336).

The spelling of 4002431332 in words is "four billion, two million, four hundred thirty-one thousand, three hundred thirty-two".