25448648792 has 48 divisors (see below), whose sum is σ = 57554073360. Its totient is φ = 10332525888.

The previous prime is 25448648779. The next prime is 25448648833. The reversal of 25448648792 is 29784684452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609203 + ... + 649634.

It is an arithmetic number, because the mean of its divisors is an integer number (1199043195).

Almost surely, 2^25448648792 is an apocalyptic number.

It is an amenable number.

25448648792 is an abundant number, since it is smaller than the sum of its proper divisors (32105424568).

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

25448648792 is a wasteful number, since it uses less digits than its factorization.

25448648792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258888 (or 1258865 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 25448648792 in words is "twenty-five billion, four hundred forty-eight million, six hundred forty-eight thousand, seven hundred ninety-two".