18112480 has 48 divisors (see below), whose sum is σ = 45314640. Its totient is φ = 6817792.

The previous prime is 18112459. The next prime is 18112481. The reversal of 18112480 is 8421181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18112481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (944055).

Almost surely, 2^18112480 is an apocalyptic number.

18112480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18112480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22657320).

18112480 is an abundant number, since it is smaller than the sum of its proper divisors (27202160).

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

18112480 is a wasteful number, since it uses less digits than its factorization.

18112480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6683 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 18112480 is about 4255.8759380414. The cubic root of 18112480 is about 262.6188970078.

The spelling of 18112480 in words is "eighteen million, one hundred twelve thousand, four hundred eighty".