25688995484 has 48 divisors (see below), whose sum is σ = 46933665408. Its totient is φ = 12293119488.

The previous prime is 25688995471. The next prime is 25688995559. The reversal of 25688995484 is 48459988652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3114614 + ... + 3122850.

It is an arithmetic number, because the mean of its divisors is an integer number (977784696).

Almost surely, 2^25688995484 is an apocalyptic number.

It is an amenable number.

25688995484 is a deficient number, since it is larger than the sum of its proper divisors (21244669924).

25688995484 is a wasteful number, since it uses less digits than its factorization.

25688995484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654 (or 8652 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 68.

The spelling of 25688995484 in words is "twenty-five billion, six hundred eighty-eight million, nine hundred ninety-five thousand, four hundred eighty-four".