25580448 has 120 divisors (see below), whose sum is σ = 76839840. Its totient is φ = 8346240.

The previous prime is 25580419. The next prime is 25580449. The reversal of 25580448 is 84408552.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25580449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 183963 + ... + 184101.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 2^25580448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25580448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38419920).

25580448 is an abundant number, since it is smaller than the sum of its proper divisors (51259392).

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

25580448 is a wasteful number, since it uses less digits than its factorization.

25580448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 25580448 is about 5057.7117355579. The cubic root of 25580448 is about 294.6474693398.

The spelling of 25580448 in words is "twenty-five million, five hundred eighty thousand, four hundred forty-eight".