22040434320 has 80 divisors (see below), whose sum is σ = 69914340672. Its totient is φ = 5740761600.

The previous prime is 22040434279. The next prime is 22040434327. The reversal of 22040434320 is 2343404022.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (22040434327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057531 + ... + 1078170.

Almost surely, 2^22040434320 is an apocalyptic number.

22040434320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040434320 is an abundant number, since it is smaller than the sum of its proper divisors (47873906352).

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

22040434320 is a wasteful number, since it uses less digits than its factorization.

22040434320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135760 (or 2135754 counting only the distinct ones).

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

Adding to 22040434320 its reverse (2343404022), we get a palindrome (24383838342).

The spelling of 22040434320 in words is "twenty-two billion, forty million, four hundred thirty-four thousand, three hundred twenty".