18441252 has 36 divisors (see below), whose sum is σ = 47104876. Its totient is φ = 6082560.

The previous prime is 18441233. The next prime is 18441259. The reversal of 18441252 is 25214481.

It can be written as a sum of positive squares in 2 ways, for example, as 5089536 + 13351716 = 2256^2 + 3654^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (18441259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852 + ... + 6132.

Almost surely, 2^18441252 is an apocalyptic number.

18441252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18441252 is an abundant number, since it is smaller than the sum of its proper divisors (28663624).

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

18441252 is a wasteful number, since it uses less digits than its factorization.

18441252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388 (or 5383 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 18441252 is about 4294.3278868759. The cubic root of 18441252 is about 264.1983701906.

The spelling of 18441252 in words is "eighteen million, four hundred forty-one thousand, two hundred fifty-two".