25484454592 has 56 divisors (see below), whose sum is σ = 51436828800. Its totient is φ = 12525772800.

The previous prime is 25484454581. The next prime is 25484454601. The reversal of 25484454592 is 29545448452.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 911217 + ... + 938767.

It is an arithmetic number, because the mean of its divisors is an integer number (918514800).

Almost surely, 2^25484454592 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 25484454592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25718414400).

25484454592 is an abundant number, since it is smaller than the sum of its proper divisors (25952374208).

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

25484454592 is a wasteful number, since it uses less digits than its factorization.

25484454592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27809 (or 27799 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 52.

The spelling of 25484454592 in words is "twenty-five billion, four hundred eighty-four million, four hundred fifty-four thousand, five hundred ninety-two".