25322616536 has 32 divisors (see below), whose sum is σ = 54268135680. Its totient is φ = 10851472800.

The previous prime is 25322616511. The next prime is 25322616589. The reversal of 25322616536 is 63561622352.

It is a junction number, because it is equal to n+sod(n) for n = 25322616493 and 25322616502.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 840371 + ... + 869981.

It is an arithmetic number, because the mean of its divisors is an integer number (1695879240).

Almost surely, 2^25322616536 is an apocalyptic number.

It is an amenable number.

25322616536 is an abundant number, since it is smaller than the sum of its proper divisors (28945519144).

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

25322616536 is a wasteful number, since it uses less digits than its factorization.

25322616536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44895 (or 44891 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The spelling of 25322616536 in words is "twenty-five billion, three hundred twenty-two million, six hundred sixteen thousand, five hundred thirty-six".