18480552 has 32 divisors (see below), whose sum is σ = 46478880. Its totient is φ = 6123200.

The previous prime is 18480503. The next prime is 18480571. The reversal of 18480552 is 25508481.

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, 1927 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (1452465).

Almost surely, 2^18480552 is an apocalyptic number.

18480552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18480552 is an abundant number, since it is smaller than the sum of its proper divisors (27998328).

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

18480552 is a wasteful number, since it uses less digits than its factorization.

18480552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 18480552 is about 4298.9012549720. The cubic root of 18480552 is about 264.3859140183.

The spelling of 18480552 in words is "eighteen million, four hundred eighty thousand, five hundred fifty-two".