25405051482 has 96 divisors (see below), whose sum is σ = 59434436880. Its totient is φ = 7826058240.

The previous prime is 25405051417. The next prime is 25405051501. The reversal of 25405051482 is 28415050452.

25405051482 is a `hidden beast` number, since 2 + 5 + 4 + 0 + 505 + 148 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 16299884241 + 9105167241 = 127671^2 + 95421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123108 + ... + 1145504.

Almost surely, 2^25405051482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25405051482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29717218440).

25405051482 is an abundant number, since it is smaller than the sum of its proper divisors (34029385398).

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

25405051482 is a wasteful number, since it uses less digits than its factorization.

25405051482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528 (or 22525 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 25405051482 in words is "twenty-five billion, four hundred five million, fifty-one thousand, four hundred eighty-two".