22540402550 has 24 divisors (see below), whose sum is σ = 42396226200. Its totient is φ = 8914854080.

The previous prime is 22540402543. The next prime is 22540402559. The reversal of 22540402550 is 5520404522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540402559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2528180 + ... + 2537079.

It is an arithmetic number, because the mean of its divisors is an integer number (1766509425).

Almost surely, 2^22540402550 is an apocalyptic number.

22540402550 is a deficient number, since it is larger than the sum of its proper divisors (19855823650).

22540402550 is a wasteful number, since it uses less digits than its factorization.

22540402550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065360 (or 5065355 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 22540402550 in words is "twenty-two billion, five hundred forty million, four hundred two thousand, five hundred fifty".