18680452 has 24 divisors (see below), whose sum is σ = 37599296. Its totient is φ = 7954848.

The previous prime is 18680443. The next prime is 18680503. The reversal of 18680452 is 25408681.

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, 2518 + ... + 6610.

Almost surely, 2^18680452 is an apocalyptic number.

It is an amenable number.

18680452 is an abundant number, since it is smaller than the sum of its proper divisors (18918844).

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

18680452 is a wasteful number, since it uses less digits than its factorization.

18680452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 18680452 is about 4322.0888468425. The cubic root of 18680452 is about 265.3357652081.

The spelling of 18680452 in words is "eighteen million, six hundred eighty thousand, four hundred fifty-two".