25006994496 has 189 divisors, whose sum is σ = 78918349783. Its totient is φ = 7565226240.

The previous prime is 25006994479. The next prime is 25006994497. The reversal of 25006994496 is 69449960052.

It is a happy number.

The square root of 25006994496 is 158136.

It is a perfect power (a square), and thus also a powerful number.

25006994496 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 69 + 94 + 496 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25006994497) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 41747605 + ... + 41748203.

Almost surely, 2^25006994496 is an apocalyptic number.

25006994496 is the 158136-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25006994496

25006994496 is an abundant number, since it is smaller than the sum of its proper divisors (53911355287).

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

25006994496 is an equidigital number, since it uses as much as digits as its factorization.

25006994496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

It can be divided in two parts, 2500 and 6994496, that added together give a palindrome (6996996).

The spelling of 25006994496 in words is "twenty-five billion, six million, nine hundred ninety-four thousand, four hundred ninety-six".