25628344 has 64 divisors (see below), whose sum is σ = 58291200. Its totient is φ = 10329984.

The previous prime is 25628341. The next prime is 25628347. The reversal of 25628344 is 44382652.

It is an interprime number because it is at equal distance from previous prime (25628341) and next prime (25628347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628341) 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, 69649 + ... + 70015.

It is an arithmetic number, because the mean of its divisors is an integer number (910800).

Almost surely, 2^25628344 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 25628344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29145600).

25628344 is an abundant number, since it is smaller than the sum of its proper divisors (32662856).

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

25628344 is a wasteful number, since it uses less digits than its factorization.

25628344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 448 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 25628344 is about 5062.4444688312. Note that the first 4 decimals coincide. The cubic root of 25628344 is about 294.8312508026.

The spelling of 25628344 in words is "twenty-five million, six hundred twenty-eight thousand, three hundred forty-four".