25888128 has 64 divisors (see below), whose sum is σ = 78597120. Its totient is φ = 7395840.

The previous prime is 25888111. The next prime is 25888141. The reversal of 25888128 is 82188852.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 25888128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (1228080).

Almost surely, 2^25888128 is an apocalyptic number.

25888128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25888128 is an abundant number, since it is smaller than the sum of its proper divisors (52708992).

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

25888128 is an equidigital number, since it uses as much as digits as its factorization.

25888128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655 (or 9643 counting only the distinct ones).

The product of its digits is 81920, while the sum is 42.

The square root of 25888128 is about 5088.0377357091. The cubic root of 25888128 is about 295.8240980696.

The spelling of 25888128 in words is "twenty-five million, eight hundred eighty-eight thousand, one hundred twenty-eight".