4040400044 has 6 divisors (see below), whose sum is σ = 7070700084. Its totient is φ = 2020200020.

The previous prime is 4040400019. The next prime is 4040400059. The reversal of 4040400044 is 4400040404.

It is a junction number, because it is equal to n+sod(n) for n = 4040399989 and 4040400025.

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 as a sum of consecutive naturals, namely, 505050002 + ... + 505050009.

It is an arithmetic number, because the mean of its divisors is an integer number (1178450014).

Almost surely, 2^4040400044 is an apocalyptic number.

It is an amenable number.

4040400044 is a deficient number, since it is larger than the sum of its proper divisors (3030300040).

4040400044 is a wasteful number, since it uses less digits than its factorization.

4040400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010100015 (or 1010100013 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4040400044 is about 63564.1411803857. The cubic root of 4040400044 is about 1592.7274159311.

Adding to 4040400044 its reverse (4400040404), we get a palindrome (8440440448).

The spelling of 4040400044 in words is "four billion, forty million, four hundred thousand, forty-four".