18034480 has 20 divisors (see below), whose sum is σ = 41930352. Its totient is φ = 7213760.

The previous prime is 18034463. The next prime is 18034481. The reversal of 18034480 is 8443081.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (18034481) 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 3 ways as a sum of consecutive naturals, for example, 112636 + ... + 112795.

Almost surely, 2^18034480 is an apocalyptic number.

18034480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18034480 is an abundant number, since it is smaller than the sum of its proper divisors (23895872).

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

18034480 is a wasteful number, since it uses less digits than its factorization.

18034480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225444 (or 225438 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18034480 is about 4246.7022499817. The cubic root of 18034480 is about 262.2413718765.

The spelling of 18034480 in words is "eighteen million, thirty-four thousand, four hundred eighty".