25296630912 has 512 divisors, whose sum is σ = 89303040000. Its totient is φ = 6897623040.

The previous prime is 25296630889. The next prime is 25296630923. The reversal of 25296630912 is 21903669252.

25296630912 is a `hidden beast` number, since 2 + 5 + 2 + 9 + 6 + 630 + 9 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66745539 + ... + 66745917.

It is an arithmetic number, because the mean of its divisors is an integer number (174420000).

Almost surely, 2^25296630912 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 25296630912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44651520000).

25296630912 is an abundant number, since it is smaller than the sum of its proper divisors (64006409088).

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

25296630912 is a wasteful number, since it uses less digits than its factorization.

25296630912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 25296630912 in words is "twenty-five billion, two hundred ninety-six million, six hundred thirty thousand, nine hundred twelve".