23440210550 has 24 divisors (see below), whose sum is σ = 43637719656. Its totient is φ = 9367712640.

The previous prime is 23440210537. The next prime is 23440210559. The reversal of 23440210550 is 5501204432.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440210559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152579 + ... + 264878.

It is an arithmetic number, because the mean of its divisors is an integer number (1818238319).

Almost surely, 2^23440210550 is an apocalyptic number.

23440210550 is a deficient number, since it is larger than the sum of its proper divisors (20197509106).

23440210550 is a wasteful number, since it uses less digits than its factorization.

23440210550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418592 (or 418587 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 23440210550 its reverse (5501204432), we get a palindrome (28941414982).

The spelling of 23440210550 in words is "twenty-three billion, four hundred forty million, two hundred ten thousand, five hundred fifty".