18088448 has 80 divisors (see below), whose sum is σ = 42556800. Its totient is φ = 7676928.

The previous prime is 18088429. The next prime is 18088501. The reversal of 18088448 is 84488081.

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, 175565 + ... + 175667.

It is an arithmetic number, because the mean of its divisors is an integer number (531960).

Almost surely, 2^18088448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18088448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21278400).

18088448 is an abundant number, since it is smaller than the sum of its proper divisors (24468352).

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

18088448 is an frugal number, since it uses more digits than its factorization.

18088448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The square root of 18088448 is about 4253.0516103146. The cubic root of 18088448 is about 262.5026962686.

The spelling of 18088448 in words is "eighteen million, eighty-eight thousand, four hundred forty-eight".