2200400444440 has 96 divisors (see below), whose sum is σ = 5443738146000. Its totient is φ = 799875267840.

The previous prime is 2200400444419. The next prime is 2200400444447. The reversal of 2200400444440 is 444440040022.

It is a junction number, because it is equal to n+sod(n) for n = 2200400444399 and 2200400444408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200400444447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14536666 + ... + 14687254.

Almost surely, 2^{2200400444440} is an apocalyptic number.

2200400444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2200400444440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721869073000).

2200400444440 is an abundant number, since it is smaller than the sum of its proper divisors (3243337701560).

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

2200400444440 is a wasteful number, since it uses less digits than its factorization.

2200400444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153641 (or 153626 counting only the distinct ones).

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

Adding to 2200400444440 its reverse (444440040022), we get a palindrome (2644840484462).

The spelling of 2200400444440 in words is "two trillion, two hundred billion, four hundred million, four hundred forty-four thousand, four hundred forty".