25944064 has 28 divisors (see below), whose sum is σ = 51901344. Its totient is φ = 12967936.

The previous prime is 25944059. The next prime is 25944089. The reversal of 25944064 is 46044952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6609 + ... + 9775.

Almost surely, 2^25944064 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 25944064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25950672).

25944064 is an abundant number, since it is smaller than the sum of its proper divisors (25957280).

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

25944064 is an frugal number, since it uses more digits than its factorization.

25944064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 25944064 is about 5093.5315842743. The cubic root of 25944064 is about 296.0370053564.

The spelling of 25944064 in words is "twenty-five million, nine hundred forty-four thousand, sixty-four".