4008440012 has 6 divisors (see below), whose sum is σ = 7014770028. Its totient is φ = 2004220004.

The previous prime is 4008439973. The next prime is 4008440141. The reversal of 4008440012 is 2100448004.

It is a self number, because there is not a number n which added to its sum of digits gives 4008440012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501054998 + ... + 501055005.

It is an arithmetic number, because the mean of its divisors is an integer number (1169128338).

Almost surely, 2^4008440012 is an apocalyptic number.

It is an amenable number.

4008440012 is a deficient number, since it is larger than the sum of its proper divisors (3006330016).

4008440012 is a wasteful number, since it uses less digits than its factorization.

4008440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002110007 (or 1002110005 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 4008440012 is about 63312.2421969085. The cubic root of 4008440012 is about 1588.5167412938.

Adding to 4008440012 its reverse (2100448004), we get a palindrome (6108888016).

The spelling of 4008440012 in words is "four billion, eight million, four hundred forty thousand, twelve".