18441036 has 18 divisors (see below), whose sum is σ = 46614932. Its totient is φ = 6147000.

The previous prime is 18441029. The next prime is 18441053. The reversal of 18441036 is 63014481.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 256090 + ... + 256161.

Almost surely, 2^18441036 is an apocalyptic number.

It is an amenable number.

18441036 is an abundant number, since it is smaller than the sum of its proper divisors (28173896).

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

18441036 is a wasteful number, since it uses less digits than its factorization.

18441036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512261 (or 512256 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18441036 is about 4294.3027373486. The cubic root of 18441036 is about 264.1973386795.

The spelling of 18441036 in words is "eighteen million, four hundred forty-one thousand, thirty-six".