2243243440404 has 72 divisors (see below), whose sum is σ = 5965716550248. Its totient is φ = 709793556480.

The previous prime is 2243243440387. The next prime is 2243243440411. The reversal of 2243243440404 is 4040443423422.

2243243440404 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 243 + 4 + 4 + 0 + 404 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 496881190404 + 1746362250000 = 704898^2 + 1321500^2 .

It is a super-2 number, since 2×2243243440404² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20483397 + ... + 20592620.

It is an arithmetic number, because the mean of its divisors is an integer number (82857174309).

Almost surely, 2^{2243243440404} is an apocalyptic number.

It is an amenable number.

2243243440404 is an abundant number, since it is smaller than the sum of its proper divisors (3722473109844).

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

2243243440404 is a wasteful number, since it uses less digits than its factorization.

2243243440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41076105 (or 41076100 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 2243243440404 its reverse (4040443423422), we get a palindrome (6283686863826).

The spelling of 2243243440404 in words is "two trillion, two hundred forty-three billion, two hundred forty-three million, four hundred forty thousand, four hundred four".