22055041240 has 64 divisors (see below), whose sum is σ = 50451982560. Its totient is φ = 8675251200.

The previous prime is 22055041237. The next prime is 22055041241. The reversal of 22055041240 is 4214055022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055041241) 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, 1603834 + ... + 1617526.

Almost surely, 2^22055041240 is an apocalyptic number.

22055041240 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 22055041240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25225991280).

22055041240 is an abundant number, since it is smaller than the sum of its proper divisors (28396941320).

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

22055041240 is a wasteful number, since it uses less digits than its factorization.

22055041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372 (or 14368 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22055041240 its reverse (4214055022), we get a palindrome (26269096262).

The spelling of 22055041240 in words is "twenty-two billion, fifty-five million, forty-one thousand, two hundred forty".