1002431044 has 24 divisors (see below), whose sum is σ = 1862752248. Its totient is φ = 470384640.

The previous prime is 1002431039. The next prime is 1002431083. The reversal of 1002431044 is 4401342001.

It can be written as a sum of positive squares in 4 ways, for example, as 10810944 + 991620100 = 3288^2 + 31490^2 .

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, 3124 + ... + 44884.

It is an arithmetic number, because the mean of its divisors is an integer number (77614677).

Almost surely, 2^1002431044 is an apocalyptic number.

It is an amenable number.

1002431044 is a deficient number, since it is larger than the sum of its proper divisors (860321204).

1002431044 is a wasteful number, since it uses less digits than its factorization.

1002431044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42135 (or 42133 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002431044 is about 31661.1914494701. The cubic root of 1002431044 is about 1000.8096922216.

Adding to 1002431044 its reverse (4401342001), we get a palindrome (5403773045).

The spelling of 1002431044 in words is "one billion, two million, four hundred thirty-one thousand, forty-four".