24139215424 has 21 divisors (see below), whose sum is σ = 47903722201. Its totient is φ = 12068986240.

The previous prime is 24139215421. The next prime is 24139215449. The reversal of 24139215424 is 42451293142.

The square root of 24139215424 is 155368.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23644597824 + 494617600 = 153768^2 + 22240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24139215421) by changing a digit.

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 in 2 ways as a sum of consecutive naturals, for example, 1233234 + ... + 1252654.

Almost surely, 2^24139215424 is an apocalyptic number.

24139215424 is the 155368-th square number.

It is an amenable number.

24139215424 is a deficient number, since it is larger than the sum of its proper divisors (23764506777).

24139215424 is an frugal number, since it uses more digits than its factorization.

24139215424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38854 (or 19423 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 24139215424 in words is "twenty-four billion, one hundred thirty-nine million, two hundred fifteen thousand, four hundred twenty-four".