18422589052 has 24 divisors (see below), whose sum is σ = 36899162496. Its totient is φ = 7883827248.

The previous prime is 18422589047. The next prime is 18422589089. The reversal of 18422589052 is 25098522481.

It is a junction number, because it is equal to n+sod(n) for n = 18422588993 and 18422589011.

It is a congruent number.

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, 462538 + ... + 500785.

It is an arithmetic number, because the mean of its divisors is an integer number (1537465104).

Almost surely, 2^18422589052 is an apocalyptic number.

It is an amenable number.

18422589052 is an abundant number, since it is smaller than the sum of its proper divisors (18476573444).

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

18422589052 is a wasteful number, since it uses less digits than its factorization.

18422589052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964017 (or 964015 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 18422589052 in words is "eighteen billion, four hundred twenty-two million, five hundred eighty-nine thousand, fifty-two".