18024154018 has 32 divisors (see below), whose sum is σ = 30897644400. Its totient is φ = 7811973120.

The previous prime is 18024154009. The next prime is 18024154097. The reversal of 18024154018 is 81045142081.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10455676009 + 7568478009 = 102253^2 + 86997^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153048 + ... + 243868.

Almost surely, 2^18024154018 is an apocalyptic number.

18024154018 is a deficient number, since it is larger than the sum of its proper divisors (12873490382).

18024154018 is a wasteful number, since it uses less digits than its factorization.

18024154018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91302.

The product of its (nonzero) digits is 10240, while the sum is 34.

Adding to 18024154018 its reverse (81045142081), we get a palindrome (99069296099).

The spelling of 18024154018 in words is "eighteen billion, twenty-four million, one hundred fifty-four thousand, eighteen".