22040343408 has 80 divisors (see below), whose sum is σ = 58084853760. Its totient is φ = 7199092992.

The previous prime is 22040343401. The next prime is 22040343427. The reversal of 22040343408 is 80434304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040343401) 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 15 ways as a sum of consecutive naturals, for example, 2190453 + ... + 2200491.

It is an arithmetic number, because the mean of its divisors is an integer number (726060672).

Almost surely, 2^22040343408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22040343408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29042426880).

22040343408 is an abundant number, since it is smaller than the sum of its proper divisors (36044510352).

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

22040343408 is a wasteful number, since it uses less digits than its factorization.

22040343408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966 (or 10960 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 22040343408 in words is "twenty-two billion, forty million, three hundred forty-three thousand, four hundred eight".