18062480 has 20 divisors (see below), whose sum is σ = 41995452. Its totient is φ = 7224960.

The previous prime is 18062479. The next prime is 18062497. The reversal of 18062480 is 8426081.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 13868176 = 2048^2 + 3724^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112811 + ... + 112970.

Almost surely, 2^18062480 is an apocalyptic number.

18062480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18062480 is an abundant number, since it is smaller than the sum of its proper divisors (23932972).

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

18062480 is a wasteful number, since it uses less digits than its factorization.

18062480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225794 (or 225788 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18062480 is about 4249.9976470582. The cubic root of 18062480 is about 262.3770187339.

The spelling of 18062480 in words is "eighteen million, sixty-two thousand, four hundred eighty".