25650763008 has 288 divisors, whose sum is σ = 76480266240. Its totient is φ = 7578869760.

The previous prime is 25650763007. The next prime is 25650763013. The reversal of 25650763008 is 80036705652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650763007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55400985 + ... + 55401447.

It is an arithmetic number, because the mean of its divisors is an integer number (265556480).

Almost surely, 2^25650763008 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 25650763008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38240133120).

25650763008 is an abundant number, since it is smaller than the sum of its proper divisors (50829503232).

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

25650763008 is a wasteful number, since it uses less digits than its factorization.

25650763008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 25650763008 in words is "twenty-five billion, six hundred fifty million, seven hundred sixty-three thousand, eight".