4400004404440 has 32 divisors (see below), whose sum is σ = 9924946998480. Its totient is φ = 1755568501632.

The previous prime is 4400004404417. The next prime is 4400004404459. The reversal of 4400004404440 is 444044000044.

It is a junction number, because it is equal to n+sod(n) for n = 4400004404399 and 4400004404408.

It is a congruent number.

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, 138523302 + ... + 138555061.

Almost surely, 2^{4400004404440} is an apocalyptic number.

4400004404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400004404440 is an abundant number, since it is smaller than the sum of its proper divisors (5524942594040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4400004404440 is a wasteful number, since it uses less digits than its factorization.

4400004404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277078771 (or 277078767 counting only the distinct ones).

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

Adding to 4400004404440 its reverse (444044000044), we get a palindrome (4844048404484).

The spelling of 4400004404440 in words is "four trillion, four hundred billion, four million, four hundred four thousand, four hundred forty".