25795821336 has 32 divisors (see below), whose sum is σ = 65305881600. Its totient is φ = 8489763360.

The previous prime is 25795821329. The next prime is 25795821347. The reversal of 25795821336 is 63312859752.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6800800 + ... + 6804591.

It is an arithmetic number, because the mean of its divisors is an integer number (2040808800).

Almost surely, 2^25795821336 is an apocalyptic number.

It is an amenable number.

25795821336 is an abundant number, since it is smaller than the sum of its proper divisors (39510060264).

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

25795821336 is a wasteful number, since it uses less digits than its factorization.

25795821336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13605479 (or 13605475 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The spelling of 25795821336 in words is "twenty-five billion, seven hundred ninety-five million, eight hundred twenty-one thousand, three hundred thirty-six".