24606780640 has 96 divisors (see below), whose sum is σ = 63786846816. Its totient is φ = 8914114560.

The previous prime is 24606780619. The next prime is 24606780677. The reversal of 24606780640 is 4608760642.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1366 + ... + 221845.

It is an arithmetic number, because the mean of its divisors is an integer number (664446321).

Almost surely, 2^24606780640 is an apocalyptic number.

24606780640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24606780640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31893423408).

24606780640 is an abundant number, since it is smaller than the sum of its proper divisors (39180066176).

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

24606780640 is a wasteful number, since it uses less digits than its factorization.

24606780640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223292 (or 223284 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 24606780640 in words is "twenty-four billion, six hundred six million, seven hundred eighty thousand, six hundred forty".