24244040642 has 4 divisors (see below), whose sum is σ = 36366060966. Its totient is φ = 12122020320.

The previous prime is 24244040627. The next prime is 24244040669. The reversal of 24244040642 is 24604044242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23703989521 + 540051121 = 153961^2 + 23239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24244040599 and 24244040608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061010159 + ... + 6061010162.

Almost surely, 2^24244040642 is an apocalyptic number.

24244040642 is a deficient number, since it is larger than the sum of its proper divisors (12122020324).

24244040642 is a wasteful number, since it uses less digits than its factorization.

24244040642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122020323.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 24244040642 its reverse (24604044242), we get a palindrome (48848084884).

The spelling of 24244040642 in words is "twenty-four billion, two hundred forty-four million, forty thousand, six hundred forty-two".