25690448 has 40 divisors (see below), whose sum is σ = 59365248. Its totient is φ = 10530432.

The previous prime is 25690447. The next prime is 25690459. The reversal of 25690448 is 84409652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25690447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 7562.

Almost surely, 2^25690448 is an apocalyptic number.

25690448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25690448 is an abundant number, since it is smaller than the sum of its proper divisors (33674800).

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

25690448 is a wasteful number, since it uses less digits than its factorization.

25690448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011 (or 10005 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 25690448 is about 5068.5745530672. The cubic root of 25690448 is about 295.0692090802.

The spelling of 25690448 in words is "twenty-five million, six hundred ninety thousand, four hundred forty-eight".