24144649142 has 16 divisors (see below), whose sum is σ = 37876965120. Its totient is φ = 11521364712.

The previous prime is 24144649141. The next prime is 24144649147. The reversal of 24144649142 is 24194644142.

It is a self number, because there is not a number n which added to its sum of digits gives 24144649142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24144649141) 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 7 ways as a sum of consecutive naturals, for example, 572042 + ... + 612797.

It is an arithmetic number, because the mean of its divisors is an integer number (2367310320).

Almost surely, 2^24144649142 is an apocalyptic number.

24144649142 is a deficient number, since it is larger than the sum of its proper divisors (13732315978).

24144649142 is a wasteful number, since it uses less digits than its factorization.

24144649142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185307.

The product of its digits is 221184, while the sum is 41.

Subtracting 24144649142 from its reverse (24194644142), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 24144649142 in words is "twenty-four billion, one hundred forty-four million, six hundred forty-nine thousand, one hundred forty-two".