25480128 has 28 divisors (see below), whose sum is σ = 67416680. Its totient is φ = 8493312.

The previous prime is 25480111. The next prime is 25480129. The reversal of 25480128 is 82108452.

It is a junction number, because it is equal to n+sod(n) for n = 25480095 and 25480104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25480129) 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, 66163 + ... + 66546.

Almost surely, 2^25480128 is an apocalyptic number.

It is an amenable number.

25480128 is an abundant number, since it is smaller than the sum of its proper divisors (41936552).

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

25480128 is a wasteful number, since it uses less digits than its factorization.

25480128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132724 (or 132714 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 25480128 is about 5047.7844644953. The cubic root of 25480128 is about 294.2617872812.

The spelling of 25480128 in words is "twenty-five million, four hundred eighty thousand, one hundred twenty-eight".