22443040342000 has 40 divisors (see below), whose sum is σ = 54267271551792. Its totient is φ = 8977216136000.

The previous prime is 22443040341979. The next prime is 22443040342013. The reversal of 22443040342000 is 24304034422.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 22443040342000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5610758086 + ... + 5610762085.

Almost surely, 2^{22443040342000} is an apocalyptic number.

22443040342000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443040342000 is an abundant number, since it is smaller than the sum of its proper divisors (31824231209792).

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

22443040342000 is a wasteful number, since it uses less digits than its factorization.

22443040342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221520194 (or 11221520178 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22443040342000 its reverse (24304034422), we get a palindrome (22467344376422).

The spelling of 22443040342000 in words is "twenty-two trillion, four hundred forty-three billion, forty million, three hundred forty-two thousand".