25654548480 has 576 divisors, whose sum is σ = 93688358400. Its totient is φ = 5942476800.

The previous prime is 25654548431. The next prime is 25654548523. The reversal of 25654548480 is 8484545652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324741081 + ... + 324741159.

It is an arithmetic number, because the mean of its divisors is an integer number (162653400).

Almost surely, 2^25654548480 is an apocalyptic number.

25654548480 is a gapful number since it is divisible by the number (20) 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 25654548480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46844179200).

25654548480 is an abundant number, since it is smaller than the sum of its proper divisors (68033809920).

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

25654548480 is a wasteful number, since it uses less digits than its factorization.

25654548480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 51.

The spelling of 25654548480 in words is "twenty-five billion, six hundred fifty-four million, five hundred forty-eight thousand, four hundred eighty".