18242010 has 48 divisors (see below), whose sum is σ = 49192416. Its totient is φ = 4863888.

The previous prime is 18242009. The next prime is 18242011. The reversal of 18242010 is 1024281.

It is an interprime number because it is at equal distance from previous prime (18242009) and next prime (18242011).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (18242011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1324 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (1024842).

Almost surely, 2^18242010 is an apocalyptic number.

18242010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18242010 is an abundant number, since it is smaller than the sum of its proper divisors (30950406).

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

18242010 is an equidigital number, since it uses as much as digits as its factorization.

18242010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529 (or 7517 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 18242010 is about 4271.0666115152. The cubic root of 18242010 is about 263.2434434776.

Adding to 18242010 its reverse (1024281), we get a palindrome (19266291).

The spelling of 18242010 in words is "eighteen million, two hundred forty-two thousand, ten".