22411205553340 has 96 divisors (see below), whose sum is σ = 50519934480960. Its totient is φ = 8350175158272.

The previous prime is 22411205553307. The next prime is 22411205553343. The reversal of 22411205553340 is 4335550211422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22411205553340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22411205553343) 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, 8355547 + ... + 10706893.

It is an arithmetic number, because the mean of its divisors is an integer number (526249317510).

Almost surely, 2^{22411205553340} is an apocalyptic number.

22411205553340 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 22411205553340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25259967240480).

22411205553340 is an abundant number, since it is smaller than the sum of its proper divisors (28108728927620).

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

22411205553340 is a wasteful number, since it uses less digits than its factorization.

22411205553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351504 (or 2351468 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 22411205553340 its reverse (4335550211422), we get a palindrome (26746755764762).

The spelling of 22411205553340 in words is "twenty-two trillion, four hundred eleven billion, two hundred five million, five hundred fifty-three thousand, three hundred forty".