18480441 has 8 divisors (see below), whose sum is σ = 28160704. Its totient is φ = 10560240.

The previous prime is 18480421. The next prime is 18480443. The reversal of 18480441 is 14408481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18480441 - 2¹⁵ = 18447673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18480399 and 18480408.

It is not an unprimeable number, because it can be changed into a prime (18480443) 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, 439990 + ... + 440031.

It is an arithmetic number, because the mean of its divisors is an integer number (3520088).

Almost surely, 2^18480441 is an apocalyptic number.

It is an amenable number.

18480441 is a deficient number, since it is larger than the sum of its proper divisors (9680263).

18480441 is an equidigital number, since it uses as much as digits as its factorization.

18480441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880031.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 18480441 is about 4298.8883446770. Note that the first 3 decimals coincide. The cubic root of 18480441 is about 264.3853846890.

The spelling of 18480441 in words is "eighteen million, four hundred eighty thousand, four hundred forty-one".