25481286824 has 16 divisors (see below), whose sum is σ = 54602757600. Its totient is φ = 10920551472.

The previous prime is 25481286781. The next prime is 25481286829. The reversal of 25481286824 is 42868218452.

It is not an unprimeable number, because it can be changed into a prime (25481286829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227511434 + ... + 227511545.

It is an arithmetic number, because the mean of its divisors is an integer number (3412672350).

Almost surely, 2^25481286824 is an apocalyptic number.

It is an amenable number.

25481286824 is an abundant number, since it is smaller than the sum of its proper divisors (29121470776).

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

25481286824 is a wasteful number, since it uses less digits than its factorization.

25481286824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455022992 (or 455022988 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 50.

The spelling of 25481286824 in words is "twenty-five billion, four hundred eighty-one million, two hundred eighty-six thousand, eight hundred twenty-four".