18541426148 has 24 divisors (see below), whose sum is σ = 37839648000. Its totient is φ = 7946324904.

The previous prime is 18541426093. The next prime is 18541426231. The reversal of 18541426148 is 84162414581.

It is a junction number, because it is equal to n+sod(n) for n = 18541426099 and 18541426108.

It is an unprimeable number.

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, 6755708 + ... + 6758451.

It is an arithmetic number, because the mean of its divisors is an integer number (1576652000).

Almost surely, 2^18541426148 is an apocalyptic number.

It is an amenable number.

18541426148 is an abundant number, since it is smaller than the sum of its proper divisors (19298221852).

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

18541426148 is a wasteful number, since it uses less digits than its factorization.

18541426148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13514184 (or 13514168 counting only the distinct ones).

The product of its digits is 245760, while the sum is 44.

The spelling of 18541426148 in words is "eighteen billion, five hundred forty-one million, four hundred twenty-six thousand, one hundred forty-eight".