22040320321400 has 96 divisors (see below), whose sum is σ = 51368556510000. Its totient is φ = 8794670438400.

The previous prime is 22040320321391. The next prime is 22040320321403. The reversal of 22040320321400 is 412302304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040320321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237577424 + ... + 237670176.

Almost surely, 2^{22040320321400} is an apocalyptic number.

22040320321400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040320321400 is an abundant number, since it is smaller than the sum of its proper divisors (29328236188600).

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

22040320321400 is a wasteful number, since it uses less digits than its factorization.

22040320321400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95649 (or 95640 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22040320321400 its reverse (412302304022), we get a palindrome (22452622625422).

The spelling of 22040320321400 in words is "twenty-two trillion, forty billion, three hundred twenty million, three hundred twenty-one thousand, four hundred".