18048456 has 24 divisors (see below), whose sum is σ = 48881430. Its totient is φ = 6016128.

The previous prime is 18048427. The next prime is 18048463. The reversal of 18048456 is 65484081.

It can be written as a sum of positive squares in only one way, i.e., 14699556 + 3348900 = 3834^2 + 1830^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18048456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125265 + ... + 125408.

Almost surely, 2^18048456 is an apocalyptic number.

It is an amenable number.

18048456 is an abundant number, since it is smaller than the sum of its proper divisors (30832974).

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

18048456 is a wasteful number, since it uses less digits than its factorization.

18048456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250685 (or 250678 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18048456 is about 4248.3474434184. The cubic root of 18048456 is about 262.3090965731.

The spelling of 18048456 in words is "eighteen million, forty-eight thousand, four hundred fifty-six".