25919488 has 64 divisors (see below), whose sum is σ = 59767920. Its totient is φ = 11010048.

The previous prime is 25919483. The next prime is 25919501. The reversal of 25919488 is 88491952.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25919483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229320 + ... + 229432.

Almost surely, 2^25919488 is an apocalyptic number.

25919488 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 25919488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29883960).

25919488 is an abundant number, since it is smaller than the sum of its proper divisors (33848432).

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

25919488 is an frugal number, since it uses more digits than its factorization.

25919488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 122 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 25919488 is about 5091.1185411459. The cubic root of 25919488 is about 295.9435002948.

The spelling of 25919488 in words is "twenty-five million, nine hundred nineteen thousand, four hundred eighty-eight".