22450354440400 has 60 divisors (see below), whose sum is σ = 53944911492192. Its totient is φ = 8978820661120.

The previous prime is 22450354440361. The next prime is 22450354440403. The reversal of 22450354440400 is 404445305422.

It is a self number, because there is not a number n which added to its sum of digits gives 22450354440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450354440403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1403884 + ... + 6846283.

Almost surely, 2^{22450354440400} is an apocalyptic number.

22450354440400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22450354440400 is an abundant number, since it is smaller than the sum of its proper divisors (31494557051792).

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

22450354440400 is a wasteful number, since it uses less digits than its factorization.

22450354440400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256988 (or 8256977 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 22450354440400 its reverse (404445305422), we get a palindrome (22854799745822).

The spelling of 22450354440400 in words is "twenty-two trillion, four hundred fifty billion, three hundred fifty-four million, four hundred forty thousand, four hundred".