25256448 has 240 divisors, whose sum is σ = 89369280. Its totient is φ = 6967296.

The previous prime is 25256447. The next prime is 25256479. The reversal of 25256448 is 84465252.

It is a happy number.

25256448 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 644 + 8 = 666.

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 (25256447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 870898 + ... + 870926.

It is an arithmetic number, because the mean of its divisors is an integer number (372372).

Almost surely, 2^25256448 is an apocalyptic number.

25256448 is a gapful number since it is divisible by the number (28) 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 25256448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44684640).

25256448 is an abundant number, since it is smaller than the sum of its proper divisors (64112832).

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

25256448 is an frugal number, since it uses more digits than its factorization.

25256448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 41 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 25256448 is about 5025.5793695852. The cubic root of 25256448 is about 293.3981858445.

The spelling of 25256448 in words is "twenty-five million, two hundred fifty-six thousand, four hundred forty-eight".