22344032040 has 128 divisors (see below), whose sum is σ = 73850382720. Its totient is φ = 5363072000.

The previous prime is 22344032021. The next prime is 22344032047. The reversal of 22344032040 is 4023044322.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22344032040.

It is not an unprimeable number, because it can be changed into a prime (22344032047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49522 + ... + 217118.

It is an arithmetic number, because the mean of its divisors is an integer number (576956115).

Almost surely, 2^22344032040 is an apocalyptic number.

22344032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22344032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36925191360).

22344032040 is an abundant number, since it is smaller than the sum of its proper divisors (51506350680).

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

22344032040 is a wasteful number, since it uses less digits than its factorization.

22344032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167723 (or 167719 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22344032040 its reverse (4023044322), we get a palindrome (26367076362).

The spelling of 22344032040 in words is "twenty-two billion, three hundred forty-four million, thirty-two thousand, forty".