18282042 has 24 divisors (see below), whose sum is σ = 39738816. Its totient is φ = 6074376.

The previous prime is 18282029. The next prime is 18282049. The reversal of 18282042 is 24028281.

It is a junction number, because it is equal to n+sod(n) for n = 18281997 and 18282015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4783 + ... + 7709.

It is an arithmetic number, because the mean of its divisors is an integer number (1655784).

Almost surely, 2^18282042 is an apocalyptic number.

18282042 is an abundant number, since it is smaller than the sum of its proper divisors (21456774).

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

18282042 is a wasteful number, since it uses less digits than its factorization.

18282042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 18282042 is about 4275.7504604455. The cubic root of 18282042 is about 263.4358649316.

The spelling of 18282042 in words is "eighteen million, two hundred eighty-two thousand, forty-two".