25480044 has 36 divisors (see below), whose sum is σ = 67210416. Its totient is φ = 8123808.

The previous prime is 25480027. The next prime is 25480051. The reversal of 25480044 is 44008452.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14559 + ... + 16214.

It is an arithmetic number, because the mean of its divisors is an integer number (1866956).

Almost surely, 2^25480044 is an apocalyptic number.

It is an amenable number.

25480044 is an abundant number, since it is smaller than the sum of its proper divisors (41730372).

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

25480044 is a wasteful number, since it uses less digits than its factorization.

25480044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806 (or 30801 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 25480044 is about 5047.7761440064. The cubic root of 25480044 is about 294.2614639179.

Adding to 25480044 its reverse (44008452), we get a palindrome (69488496).

The spelling of 25480044 in words is "twenty-five million, four hundred eighty thousand, forty-four".