25366266352 has 80 divisors (see below), whose sum is σ = 57655756224. Its totient is φ = 10586880000.

The previous prime is 25366266349. The next prime is 25366266371.

25366266352 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671652 + ... + 708412.

Almost surely, 2^25366266352 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 25366266352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28827878112).

25366266352 is an abundant number, since it is smaller than the sum of its proper divisors (32289489872).

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

25366266352 is a wasteful number, since it uses less digits than its factorization.

25366266352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36938 (or 36932 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 46.

The spelling of 25366266352 in words is "twenty-five billion, three hundred sixty-six million, two hundred sixty-six thousand, three hundred fifty-two".