4040440444 has 12 divisors (see below), whose sum is σ = 7084345968. Its totient is φ = 2016341600.

The previous prime is 4040440409. The next prime is 4040440451. The reversal of 4040440444 is 4440440404.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 967312 + ... + 971479.

It is an arithmetic number, because the mean of its divisors is an integer number (590362164).

Almost surely, 2^4040440444 is an apocalyptic number.

It is an amenable number.

4040440444 is a deficient number, since it is larger than the sum of its proper divisors (3043905524).

4040440444 is a wasteful number, since it uses less digits than its factorization.

4040440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939316 (or 1939314 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4040440444 is about 63564.4589688294. The cubic root of 4040440444 is about 1592.7327244792.

Adding to 4040440444 its reverse (4440440404), we get a palindrome (8480880848).

The spelling of 4040440444 in words is "four billion, forty million, four hundred forty thousand, four hundred forty-four".