18024245457 has 8 divisors (see below), whose sum is σ = 24591218784. Its totient is φ = 11736717888.

The previous prime is 18024245441. The next prime is 18024245471. The reversal of 18024245457 is 75454242081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18024245457 - 2⁴ = 18024245441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18024245417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69861288 + ... + 69861545.

It is an arithmetic number, because the mean of its divisors is an integer number (3073902348).

Almost surely, 2^18024245457 is an apocalyptic number.

It is an amenable number.

18024245457 is a deficient number, since it is larger than the sum of its proper divisors (6566973327).

18024245457 is a wasteful number, since it uses less digits than its factorization.

18024245457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139722879.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 18024245457 in words is "eighteen billion, twenty-four million, two hundred forty-five thousand, four hundred fifty-seven".