24789125780 has 12 divisors (see below), whose sum is σ = 52057164180. Its totient is φ = 9915650304.

The previous prime is 24789125747. The next prime is 24789125783. The reversal of 24789125780 is 8752198742.

It can be written as a sum of positive squares in 2 ways, for example, as 12949074436 + 11840051344 = 113794^2 + 108812^2 .

It is a super-2 number, since 2×24789125780² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24789125783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619728125 + ... + 619728164.

It is an arithmetic number, because the mean of its divisors is an integer number (4338097015).

Almost surely, 2^24789125780 is an apocalyptic number.

24789125780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24789125780 is an abundant number, since it is smaller than the sum of its proper divisors (27268038400).

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

24789125780 is a wasteful number, since it uses less digits than its factorization.

24789125780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239456298 (or 1239456296 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 24789125780 in words is "twenty-four billion, seven hundred eighty-nine million, one hundred twenty-five thousand, seven hundred eighty".