440400104440 has 16 divisors (see below), whose sum is σ = 990900235080. Its totient is φ = 176160041760.

The previous prime is 440400104393. The next prime is 440400104447. The reversal of 440400104440 is 44401004044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440400104447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505001266 + ... + 5505001345.

Almost surely, 2^440400104440 is an apocalyptic number.

440400104440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440400104440 is an abundant number, since it is smaller than the sum of its proper divisors (550500130640).

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

440400104440 is a wasteful number, since it uses less digits than its factorization.

440400104440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010002622 (or 11010002618 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 440400104440 its reverse (44401004044), we get a palindrome (484801108484).

The spelling of 440400104440 in words is "four hundred forty billion, four hundred million, one hundred four thousand, four hundred forty".