4040400000044 has 6 divisors (see below), whose sum is σ = 7070700000084. Its totient is φ = 2020200000020.

The previous prime is 4040400000031. The next prime is 4040400000067. The reversal of 4040400000044 is 4400000040404.

It is a junction number, because it is equal to n+sod(n) for n = 4040399999971 and 4040400000025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050000002 + ... + 505050000009.

It is an arithmetic number, because the mean of its divisors is an integer number (1178450000014).

Almost surely, 2^{4040400000044} is an apocalyptic number.

It is an amenable number.

4040400000044 is a deficient number, since it is larger than the sum of its proper divisors (3030300000040).

4040400000044 is a wasteful number, since it uses less digits than its factorization.

4040400000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010100000015 (or 1010100000013 counting only the distinct ones).

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

Adding to 4040400000044 its reverse (4400000040404), we get a palindrome (8440400040448).

The spelling of 4040400000044 in words is "four trillion, forty billion, four hundred million, forty-four", and thus it is an aban number.