18301480 has 32 divisors (see below), whose sum is σ = 41553000. Its totient is φ = 7254016.

The previous prime is 18301447. The next prime is 18301499. The reversal of 18301480 is 8410381.

It can be written as a sum of positive squares in 4 ways, for example, as 6646084 + 11655396 = 2578^2 + 3414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496 + ... + 6544.

Almost surely, 2^18301480 is an apocalyptic number.

18301480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18301480 is an abundant number, since it is smaller than the sum of its proper divisors (23251520).

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

18301480 is a wasteful number, since it uses less digits than its factorization.

18301480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 18301480 is about 4278.0229078396. The cubic root of 18301480 is about 263.5291960923.

It can be divided in two parts, 18301 and 480, that added together give a palindrome (18781).

The spelling of 18301480 in words is "eighteen million, three hundred one thousand, four hundred eighty".