18026525028 has 24 divisors (see below), whose sum is σ = 42093817920. Its totient is φ = 6004280800.

The previous prime is 18026525009. The next prime is 18026525029. The reversal of 18026525028 is 82052562081.

It is a super-2 number, since 2×18026525028² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18026525029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553623 + ... + 585278.

It is an arithmetic number, because the mean of its divisors is an integer number (1753909080).

Almost surely, 2^18026525028 is an apocalyptic number.

It is an amenable number.

18026525028 is an abundant number, since it is smaller than the sum of its proper divisors (24067292892).

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

18026525028 is a wasteful number, since it uses less digits than its factorization.

18026525028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140227 (or 1140225 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 18026525028 in words is "eighteen billion, twenty-six million, five hundred twenty-five thousand, twenty-eight".