240042 has 16 divisors (see below), whose sum is σ = 523872. Its totient is φ = 72720.

The previous prime is 240041. The next prime is 240043.

240042 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (240041) and next prime (240043).

It is not an unprimeable number, because it can be changed into a prime (240041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (32742).

2²⁴⁰⁰⁴² is an apocalyptic number.

240042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240042 is an abundant number, since it is smaller than the sum of its proper divisors (283830).

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

240042 is a wasteful number, since it uses less digits than its factorization.

240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 240042 is about 489.9408127519. The cubic root of 240042 is about 62.1482750122.

It can be divided in two parts, 2400 and 42, that added together give a palindrome (2442).

The spelling of 240042 in words is "two hundred forty thousand, forty-two", and thus it is an iban number.