2204553321440 has 24 divisors (see below), whose sum is σ = 5208257222280. Its totient is φ = 881821328512.

The previous prime is 2204553321427. The next prime is 2204553321449. The reversal of 2204553321440 is 441233554022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2204553321440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204553321449) by changing a digit.

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, 6889228970 + ... + 6889229289.

It is an arithmetic number, because the mean of its divisors is an integer number (217010717595).

Almost surely, 2^{2204553321440} is an apocalyptic number.

2204553321440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204553321440 is an abundant number, since it is smaller than the sum of its proper divisors (3003703900840).

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

2204553321440 is a wasteful number, since it uses less digits than its factorization.

2204553321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778458274 (or 13778458266 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2204553321440 its reverse (441233554022), we get a palindrome (2645786875462).

The spelling of 2204553321440 in words is "two trillion, two hundred four billion, five hundred fifty-three million, three hundred twenty-one thousand, four hundred forty".