25840048 has 20 divisors (see below), whose sum is σ = 53916688. Its totient is φ = 11926080.

The previous prime is 25840021. The next prime is 25840069. The reversal of 25840048 is 84004852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61908 + ... + 62323.

Almost surely, 2^25840048 is an apocalyptic number.

It is an amenable number.

25840048 is an abundant number, since it is smaller than the sum of its proper divisors (28076640).

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

25840048 is a wasteful number, since it uses less digits than its factorization.

25840048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124252 (or 124246 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 25840048 is about 5083.3107321902. The cubic root of 25840048 is about 295.6408475727.

The spelling of 25840048 in words is "twenty-five million, eight hundred forty thousand, forty-eight".