25468236672 has 128 divisors (see below), whose sum is σ = 69209856000. Its totient is φ = 8294307840.

The previous prime is 25468236667. The next prime is 25468236679. The reversal of 25468236672 is 27663286452.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25468236679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16440954 + ... + 16442502.

It is an arithmetic number, because the mean of its divisors is an integer number (540702000).

Almost surely, 2^25468236672 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 25468236672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34604928000).

25468236672 is an abundant number, since it is smaller than the sum of its proper divisors (43741619328).

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

25468236672 is a wasteful number, since it uses less digits than its factorization.

25468236672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524 (or 2512 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The spelling of 25468236672 in words is "twenty-five billion, four hundred sixty-eight million, two hundred thirty-six thousand, six hundred seventy-two".