18460480 has 28 divisors (see below), whose sum is σ = 43959780. Its totient is φ = 7384064.

The previous prime is 18460439. The next prime is 18460489. The reversal of 18460480 is 8406481.

18460480 = T₃₃₉ + T₃₄₀ + ... + T₅₃₀.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 13897984 = 2136^2 + 3728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18460489) 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, 28525 + ... + 29164.

Almost surely, 2^18460480 is an apocalyptic number.

18460480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18460480 is an abundant number, since it is smaller than the sum of its proper divisors (25499300).

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

18460480 is an equidigital number, since it uses as much as digits as its factorization.

18460480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57706 (or 57696 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18460480 is about 4296.5660707128. The cubic root of 18460480 is about 264.2901615308.

The spelling of 18460480 in words is "eighteen million, four hundred sixty thousand, four hundred eighty".