24220464642442 has 8 divisors (see below), whose sum is σ = 37016181812196. Its totient is φ = 11881737371712.

The previous prime is 24220464642421. The next prime is 24220464642443. The reversal of 24220464642442 is 24424646402242.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24033417907321 + 187046735121 = 4902389^2 + 432489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 24220464642392 and 24220464642401.

It is not an unprimeable number, because it can be changed into a prime (24220464642443) 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 3 ways as a sum of consecutive naturals, for example, 114247474623 + ... + 114247474834.

Almost surely, 2^{24220464642442} is an apocalyptic number.

24220464642442 is a deficient number, since it is larger than the sum of its proper divisors (12795717169754).

24220464642442 is a wasteful number, since it uses less digits than its factorization.

24220464642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228494949512.

The product of its (nonzero) digits is 4718592, while the sum is 46.

The spelling of 24220464642442 in words is "twenty-four trillion, two hundred twenty billion, four hundred sixty-four million, six hundred forty-two thousand, four hundred forty-two".