18284126240 has 24 divisors (see below), whose sum is σ = 43196248620. Its totient is φ = 7313650432.

The previous prime is 18284126221. The next prime is 18284126249. The reversal of 18284126240 is 4262148281.

It can be written as a sum of positive squares in 2 ways, for example, as 14787532816 + 3496593424 = 121604^2 + 59132^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18284126194 and 18284126203.

It is not an unprimeable number, because it can be changed into a prime (18284126249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57137735 + ... + 57138054.

Almost surely, 2^18284126240 is an apocalyptic number.

18284126240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18284126240 is an abundant number, since it is smaller than the sum of its proper divisors (24912122380).

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

18284126240 is a wasteful number, since it uses less digits than its factorization.

18284126240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114275804 (or 114275796 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 18284126240 in words is "eighteen billion, two hundred eighty-four million, one hundred twenty-six thousand, two hundred forty".