22540005340 has 12 divisors (see below), whose sum is σ = 47334011256. Its totient is φ = 9016002128.

The previous prime is 22540005331. The next prime is 22540005377. The reversal of 22540005340 is 4350004522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563500114 + ... + 563500153.

It is an arithmetic number, because the mean of its divisors is an integer number (3944500938).

Almost surely, 2^22540005340 is an apocalyptic number.

22540005340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22540005340 is an abundant number, since it is smaller than the sum of its proper divisors (24794005916).

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

22540005340 is a wasteful number, since it uses less digits than its factorization.

22540005340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127000276 (or 1127000274 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22540005340 its reverse (4350004522), we get a palindrome (26890009862).

The spelling of 22540005340 in words is "twenty-two billion, five hundred forty million, five thousand, three hundred forty".