18080448 has 28 divisors (see below), whose sum is σ = 47838360. Its totient is φ = 6026752.

The previous prime is 18080441. The next prime is 18080453. The reversal of 18080448 is 84408081.

It is not an unprimeable number, because it can be changed into a prime (18080441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46893 + ... + 47276.

Almost surely, 2^18080448 is an apocalyptic number.

It is an amenable number.

18080448 is an abundant number, since it is smaller than the sum of its proper divisors (29757912).

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

18080448 is an equidigital number, since it uses as much as digits as its factorization.

18080448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94184 (or 94174 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 18080448 is about 4252.1110051362. Note that the first 3 decimals coincide. The cubic root of 18080448 is about 262.4639914326.

It can be divided in two parts, 18080 and 448, that added together give a triangular number (18528 = T₁₉₂).

The spelling of 18080448 in words is "eighteen million, eighty thousand, four hundred forty-eight".