18248080 has 40 divisors (see below), whose sum is σ = 42622272. Its totient is φ = 7265664.

The previous prime is 18248077. The next prime is 18248081. The reversal of 18248080 is 8084281.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18248081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24189 + ... + 24931.

Almost surely, 2^18248080 is an apocalyptic number.

18248080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18248080 is an abundant number, since it is smaller than the sum of its proper divisors (24374192).

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

18248080 is a wasteful number, since it uses less digits than its factorization.

18248080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 18248080 is about 4271.7771477454. Note that the first 3 decimals coincide. The cubic root of 18248080 is about 263.2726381863.

The spelling of 18248080 in words is "eighteen million, two hundred forty-eight thousand, eighty".