25327563046266 has 128 divisors (see below), whose sum is σ = 58219056000000. Its totient is φ = 7280593030656.

The previous prime is 25327563046169. The next prime is 25327563046267. The reversal of 25327563046266 is 66264036572352.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25327563046267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 811271205 + ... + 811302423.

It is an arithmetic number, because the mean of its divisors is an integer number (454836375000).

Almost surely, 2^{25327563046266} is an apocalyptic number.

25327563046266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25327563046266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29109528000000).

25327563046266 is an abundant number, since it is smaller than the sum of its proper divisors (32891492953734).

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

25327563046266 is a wasteful number, since it uses less digits than its factorization.

25327563046266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38828.

The product of its (nonzero) digits is 65318400, while the sum is 57.

The spelling of 25327563046266 in words is "twenty-five trillion, three hundred twenty-seven billion, five hundred sixty-three million, forty-six thousand, two hundred sixty-six".