25725124320 has 384 divisors, whose sum is σ = 96069722112. Its totient is φ = 5668208640.

The previous prime is 25725124307. The next prime is 25725124357. The reversal of 25725124320 is 2342152752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100097632 + ... + 100097888.

It is an arithmetic number, because the mean of its divisors is an integer number (250181568).

Almost surely, 2^25725124320 is an apocalyptic number.

25725124320 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 25725124320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48034861056).

25725124320 is an abundant number, since it is smaller than the sum of its proper divisors (70344597792).

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

25725124320 is an equidigital number, since it uses as much as digits as its factorization.

25725124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 25725124320 in words is "twenty-five billion, seven hundred twenty-five million, one hundred twenty-four thousand, three hundred twenty".