18362480 has 40 divisors (see below), whose sum is σ = 43189200. Its totient is φ = 7259648.

The previous prime is 18362479. The next prime is 18362483. The reversal of 18362480 is 8426381.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18362483) 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, 5831 + ... + 8409.

It is an arithmetic number, because the mean of its divisors is an integer number (1079730).

Almost surely, 2^18362480 is an apocalyptic number.

18362480 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 18362480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21594600).

18362480 is an abundant number, since it is smaller than the sum of its proper divisors (24826720).

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

18362480 is a wasteful number, since it uses less digits than its factorization.

18362480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18362480 is about 4285.1464385713. The cubic root of 18362480 is about 263.8216579402.

The spelling of 18362480 in words is "eighteen million, three hundred sixty-two thousand, four hundred eighty".