24564640072 has 32 divisors (see below), whose sum is σ = 52644366720. Its totient is φ = 10526532480.

The previous prime is 24564640043. The next prime is 24564640109. The reversal of 24564640072 is 27004646542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647797 + ... + 684667.

It is an arithmetic number, because the mean of its divisors is an integer number (1645136460).

Almost surely, 2^24564640072 is an apocalyptic number.

It is an amenable number.

24564640072 is an abundant number, since it is smaller than the sum of its proper divisors (28079726648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24564640072 is a wasteful number, since it uses less digits than its factorization.

24564640072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781 (or 48777 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 24564640072 in words is "twenty-four billion, five hundred sixty-four million, six hundred forty thousand, seventy-two".