18095480 has 128 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 5947392.

The previous prime is 18095461. The next prime is 18095489. The reversal of 18095480 is 8459081.

It is a self number, because there is not a number n which added to its sum of digits gives 18095480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18095489) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 203276 + ... + 203364.

It is an arithmetic number, because the mean of its divisors is an integer number (382725).

Almost surely, 2^18095480 is an apocalyptic number.

18095480 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 18095480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24494400).

18095480 is an abundant number, since it is smaller than the sum of its proper divisors (30893320).

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

18095480 is a wasteful number, since it uses less digits than its factorization.

18095480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 18095480 is about 4253.8782305092. The cubic root of 18095480 is about 262.5367083963.

The spelling of 18095480 in words is "eighteen million, ninety-five thousand, four hundred eighty".