24140205205 has 4 divisors (see below), whose sum is σ = 28968246252. Its totient is φ = 19312164160.

The previous prime is 24140205191. The next prime is 24140205217. The reversal of 24140205205 is 50250204142.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4141437316 + 19998767889 = 64354^2 + 141417^2 .

It is a de Polignac number, because none of the positive numbers 2^k-24140205205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24140205205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414020516 + ... + 2414020525.

It is an arithmetic number, because the mean of its divisors is an integer number (7242061563).

Almost surely, 2^24140205205 is an apocalyptic number.

It is an amenable number.

24140205205 is a deficient number, since it is larger than the sum of its proper divisors (4828041047).

24140205205 is an equidigital number, since it uses as much as digits as its factorization.

24140205205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828041046.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 24140205205 its reverse (50250204142), we get a palindrome (74390409347).

The spelling of 24140205205 in words is "twenty-four billion, one hundred forty million, two hundred five thousand, two hundred five".