25413927552 has 192 divisors, whose sum is σ = 81674916960. Its totient is φ = 7819545600.

The previous prime is 25413927491. The next prime is 25413927563. The reversal of 25413927552 is 25572931452.

25413927552 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 3 + 92 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 25413927498 and 25413927507.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372927 + ... + 435777.

Almost surely, 2^25413927552 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 25413927552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40837458480).

25413927552 is an abundant number, since it is smaller than the sum of its proper divisors (56260989408).

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

25413927552 is an equidigital number, since it uses as much as digits as its factorization.

25413927552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62893 (or 62869 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 25413927552 in words is "twenty-five billion, four hundred thirteen million, nine hundred twenty-seven thousand, five hundred fifty-two".