25023759720 has 128 divisors (see below), whose sum is σ = 76279760640. Its totient is φ = 6565959680.

The previous prime is 25023759707. The next prime is 25023759727. The reversal of 25023759720 is 2795732052.

It is a Cunningham number, because it is equal to 158189²-1.

It is not an unprimeable number, because it can be changed into a prime (25023759727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4743004 + ... + 4748276.

It is an arithmetic number, because the mean of its divisors is an integer number (595935630).

Almost surely, 2^25023759720 is an apocalyptic number.

25023759720 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 25023759720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38139880320).

25023759720 is an abundant number, since it is smaller than the sum of its proper divisors (51256000920).

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

25023759720 is a wasteful number, since it uses less digits than its factorization.

25023759720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 25023759720 in words is "twenty-five billion, twenty-three million, seven hundred fifty-nine thousand, seven hundred twenty".