25259892448 has 24 divisors (see below), whose sum is σ = 56834758512. Its totient is φ = 10825668096.

The previous prime is 25259892433. The next prime is 25259892451. The reversal of 25259892448 is 84429895252.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25259892392 and 25259892401.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 56383465 + ... + 56383912.

It is an arithmetic number, because the mean of its divisors is an integer number (2368114938).

Almost surely, 2^25259892448 is an apocalyptic number.

25259892448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25259892448 is an abundant number, since it is smaller than the sum of its proper divisors (31574866064).

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

25259892448 is a wasteful number, since it uses less digits than its factorization.

25259892448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112767394 (or 112767386 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 58.

The spelling of 25259892448 in words is "twenty-five billion, two hundred fifty-nine million, eight hundred ninety-two thousand, four hundred forty-eight".