25543740096 has 672 divisors, whose sum is σ = 92882882560. Its totient is φ = 6819240960.

The previous prime is 25543740083. The next prime is 25543740149. The reversal of 25543740096 is 69004734552.

25543740096 is a `hidden beast` number, since 2 + 554 + 3 + 7 + 4 + 0 + 0 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 823991601 + ... + 823991631.

Almost surely, 2^25543740096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25543740096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46441441280).

25543740096 is an abundant number, since it is smaller than the sum of its proper divisors (67339142464).

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

25543740096 is an frugal number, since it uses more digits than its factorization.

25543740096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 25543740096 in words is "twenty-five billion, five hundred forty-three million, seven hundred forty thousand, ninety-six".