18141288 has 48 divisors (see below), whose sum is σ = 49859040. Its totient is φ = 5496480.

The previous prime is 18141283. The next prime is 18141349. The reversal of 18141288 is 88214181.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18141283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (1038730).

Almost surely, 2^18141288 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 18141288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24929520).

18141288 is an abundant number, since it is smaller than the sum of its proper divisors (31717752).

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

18141288 is a wasteful number, since it uses less digits than its factorization.

18141288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278 (or 6263 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 18141288 is about 4259.2590904992. The cubic root of 18141288 is about 262.7580555276.

The spelling of 18141288 in words is "eighteen million, one hundred forty-one thousand, two hundred eighty-eight".