24936872805 has 24 divisors (see below), whose sum is σ = 46548830328. Its totient is φ = 12276614016.

The previous prime is 24936872761. The next prime is 24936872809. The reversal of 24936872805 is 50827863942.

24936872805 is a `hidden beast` number, since 2 + 493 + 6 + 8 + 72 + 80 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2073618369 + 22863254436 = 45537^2 + 151206^2 .

It is not a de Polignac number, because 24936872805 - 2⁸ = 24936872549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24936872809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21312982 + ... + 21314151.

It is an arithmetic number, because the mean of its divisors is an integer number (1939534597).

Almost surely, 2^24936872805 is an apocalyptic number.

It is an amenable number.

24936872805 is a deficient number, since it is larger than the sum of its proper divisors (21611957523).

24936872805 is a wasteful number, since it uses less digits than its factorization.

24936872805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42627157 (or 42627154 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 24936872805 in words is "twenty-four billion, nine hundred thirty-six million, eight hundred seventy-two thousand, eight hundred five".