25928144 has 20 divisors (see below), whose sum is σ = 54803040. Its totient is φ = 11785440.

The previous prime is 25928143. The next prime is 25928159. The reversal of 25928144 is 44182952.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25928143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73484 + ... + 73835.

It is an arithmetic number, because the mean of its divisors is an integer number (2740152).

Almost surely, 2^25928144 is an apocalyptic number.

It is an amenable number.

25928144 is an abundant number, since it is smaller than the sum of its proper divisors (28874896).

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

25928144 is a wasteful number, since it uses less digits than its factorization.

25928144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147338 (or 147332 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 25928144 is about 5091.9685780649. The cubic root of 25928144 is about 295.9764407838.

The spelling of 25928144 in words is "twenty-five million, nine hundred twenty-eight thousand, one hundred forty-four".