25850448 has 80 divisors (see below), whose sum is σ = 79925440. Its totient is φ = 7952256.

The previous prime is 25850441. The next prime is 25850467. The reversal of 25850448 is 84405852.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25850441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3315 + ... + 7917.

It is an arithmetic number, because the mean of its divisors is an integer number (999068).

Almost surely, 2^25850448 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 25850448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39962720).

25850448 is an abundant number, since it is smaller than the sum of its proper divisors (54074992).

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

25850448 is a wasteful number, since it uses less digits than its factorization.

25850448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4621 counting only the distinct ones).

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

The square root of 25850448 is about 5084.3335846500. Note that the first 3 decimals coincide. The cubic root of 25850448 is about 295.6805050379.

The spelling of 25850448 in words is "twenty-five million, eight hundred fifty thousand, four hundred forty-eight".