25648287364 has 96 divisors (see below), whose sum is σ = 53326425600. Its totient is φ = 10787212800.

The previous prime is 25648287349. The next prime is 25648287377. The reversal of 25648287364 is 46378284652.

It is an unprimeable number.

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, 27372304 + ... + 27373240.

It is an arithmetic number, because the mean of its divisors is an integer number (555483600).

Almost surely, 2^25648287364 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 25648287364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26663212800).

25648287364 is an abundant number, since it is smaller than the sum of its proper divisors (27678138236).

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

25648287364 is a wasteful number, since it uses less digits than its factorization.

25648287364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1298 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 55.

The spelling of 25648287364 in words is "twenty-five billion, six hundred forty-eight million, two hundred eighty-seven thousand, three hundred sixty-four".