44404400440 has 16 divisors (see below), whose sum is σ = 99909901080. Its totient is φ = 17761760160.

The previous prime is 44404400423. The next prime is 44404400497. The reversal of 44404400440 is 4400440444.

It is a junction number, because it is equal to n+sod(n) for n = 44404400399 and 44404400408.

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, 555054966 + ... + 555055045.

Almost surely, 2^44404400440 is an apocalyptic number.

44404400440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44404400440 is an abundant number, since it is smaller than the sum of its proper divisors (55505500640).

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

44404400440 is a wasteful number, since it uses less digits than its factorization.

44404400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110022 (or 1110110018 counting only the distinct ones).

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

Adding to 44404400440 its reverse (4400440444), we get a palindrome (48804840884).

The spelling of 44404400440 in words is "forty-four billion, four hundred four million, four hundred thousand, four hundred forty".