25322544544 has 24 divisors (see below), whose sum is σ = 54385920288. Its totient is φ = 11510247360.

The previous prime is 25322544529. The next prime is 25322544551. The reversal of 25322544544 is 44544522352.

It is a junction number, because it is equal to n+sod(n) for n = 25322544497 and 25322544506.

It is an unprimeable number.

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, 35969172 + ... + 35969875.

It is an arithmetic number, because the mean of its divisors is an integer number (2266080012).

Almost surely, 2^25322544544 is an apocalyptic number.

It is an amenable number.

25322544544 is an abundant number, since it is smaller than the sum of its proper divisors (29063375744).

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

25322544544 is a wasteful number, since it uses less digits than its factorization.

25322544544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71939068 (or 71939060 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

The spelling of 25322544544 in words is "twenty-five billion, three hundred twenty-two million, five hundred forty-four thousand, five hundred forty-four".