18035442 has 24 divisors (see below), whose sum is σ = 39199680. Its totient is φ = 5992920.

The previous prime is 18035441. The next prime is 18035471. The reversal of 18035442 is 24453081.

It is a super-4 number, since 4×18035442⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (18035441) 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, 5067 + ... + 7857.

It is an arithmetic number, because the mean of its divisors is an integer number (1633320).

Almost surely, 2^18035442 is an apocalyptic number.

18035442 is an abundant number, since it is smaller than the sum of its proper divisors (21164238).

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

18035442 is a wasteful number, since it uses less digits than its factorization.

18035442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 18035442 is about 4246.8155128284. The cubic root of 18035442 is about 262.2460346431.

The spelling of 18035442 in words is "eighteen million, thirty-five thousand, four hundred forty-two".