25408255148 has 24 divisors (see below), whose sum is σ = 47647241712. Its totient is φ = 11812765184.

The previous prime is 25408255133. The next prime is 25408255177. The reversal of 25408255148 is 84155280452.

It is a junction number, because it is equal to n+sod(n) for n = 25408255099 and 25408255108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245265 + ... + 2256552.

It is an arithmetic number, because the mean of its divisors is an integer number (1985301738).

Almost surely, 2^25408255148 is an apocalyptic number.

It is an amenable number.

25408255148 is a deficient number, since it is larger than the sum of its proper divisors (22238986564).

25408255148 is a wasteful number, since it uses less digits than its factorization.

25408255148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501921 (or 4501919 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 44.

The spelling of 25408255148 in words is "twenty-five billion, four hundred eight million, two hundred fifty-five thousand, one hundred forty-eight".