25488514896 has 160 divisors (see below), whose sum is σ = 75216852480. Its totient is φ = 7372684800.

The previous prime is 25488514861. The next prime is 25488514937. The reversal of 25488514896 is 69841588452.

It is a super-2 number, since 2×25488514896² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1544931 + ... + 1561341.

It is an arithmetic number, because the mean of its divisors is an integer number (470105328).

Almost surely, 2^25488514896 is an apocalyptic number.

25488514896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25488514896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37608426240).

25488514896 is an abundant number, since it is smaller than the sum of its proper divisors (49728337584).

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

25488514896 is a wasteful number, since it uses less digits than its factorization.

25488514896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585 (or 16579 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 60.

The spelling of 25488514896 in words is "twenty-five billion, four hundred eighty-eight million, five hundred fourteen thousand, eight hundred ninety-six".