25995443712 has 160 divisors (see below), whose sum is σ = 83313120000. Its totient is φ = 7036305408.

The previous prime is 25995443707. The next prime is 25995443741. The reversal of 25995443712 is 21734459952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140664 + ... + 267912.

It is an arithmetic number, because the mean of its divisors is an integer number (520707000).

Almost surely, 2^25995443712 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 25995443712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41656560000).

25995443712 is an abundant number, since it is smaller than the sum of its proper divisors (57317676288).

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

25995443712 is a wasteful number, since it uses less digits than its factorization.

25995443712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127296 (or 127280 counting only the distinct ones).

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

The spelling of 25995443712 in words is "twenty-five billion, nine hundred ninety-five million, four hundred forty-three thousand, seven hundred twelve".