22443040240 has 60 divisors (see below), whose sum is σ = 53917778952. Its totient is φ = 8687598720.

The previous prime is 22443040223. The next prime is 22443040379. The reversal of 22443040240 is 4204034422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69082 + ... + 222841.

Almost surely, 2^22443040240 is an apocalyptic number.

22443040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22443040240 is an abundant number, since it is smaller than the sum of its proper divisors (31474738712).

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

22443040240 is a wasteful number, since it uses less digits than its factorization.

22443040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291998 (or 291961 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 22443040240 its reverse (4204034422), we get a palindrome (26647074662).

The spelling of 22443040240 in words is "twenty-two billion, four hundred forty-three million, forty thousand, two hundred forty".