18024245459 has 16 divisors (see below), whose sum is σ = 20156822784. Its totient is φ = 15977800800.

The previous prime is 18024245441. The next prime is 18024245471. The reversal of 18024245459 is 95454242081.

It is a cyclic number.

It is not a de Polignac number, because 18024245459 - 2²⁸ = 17755810003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18024245429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194 + ... + 189864.

It is an arithmetic number, because the mean of its divisors is an integer number (1259801424).

Almost surely, 2^18024245459 is an apocalyptic number.

18024245459 is a deficient number, since it is larger than the sum of its proper divisors (2132577325).

18024245459 is a wasteful number, since it uses less digits than its factorization.

18024245459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189898.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 18024245459 in words is "eighteen billion, twenty-four million, two hundred forty-five thousand, four hundred fifty-nine".