22040324340 has 48 divisors (see below), whose sum is σ = 61723092480. Its totient is φ = 5876449920.

The previous prime is 22040324297. The next prime is 22040324353. The reversal of 22040324340 is 4342304022.

It is a self number, because there is not a number n which added to its sum of digits gives 22040324340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382845 + ... + 436635.

It is an arithmetic number, because the mean of its divisors is an integer number (1285897760).

Almost surely, 2^22040324340 is an apocalyptic number.

22040324340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040324340 is an abundant number, since it is smaller than the sum of its proper divisors (39682768140).

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

22040324340 is a wasteful number, since it uses less digits than its factorization.

22040324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60632 (or 60630 counting only the distinct ones).

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

Adding to 22040324340 its reverse (4342304022), we get a palindrome (26382628362).

The spelling of 22040324340 in words is "twenty-two billion, forty million, three hundred twenty-four thousand, three hundred forty".