18285254548 has 24 divisors (see below), whose sum is σ = 34961240160. Its totient is φ = 8298853920.

The previous prime is 18285254539. The next prime is 18285254567. The reversal of 18285254548 is 84545258281.

It is a junction number, because it is equal to n+sod(n) for n = 18285254495 and 18285254504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286311 + ... + 344302.

It is an arithmetic number, because the mean of its divisors is an integer number (1456718340).

Almost surely, 2^18285254548 is an apocalyptic number.

It is an amenable number.

18285254548 is a deficient number, since it is larger than the sum of its proper divisors (16675985612).

18285254548 is a wasteful number, since it uses less digits than its factorization.

18285254548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631287 (or 631285 counting only the distinct ones).

The product of its digits is 4096000, while the sum is 52.

The spelling of 18285254548 in words is "eighteen billion, two hundred eighty-five million, two hundred fifty-four thousand, five hundred forty-eight".