240442001 has 4 divisors (see below), whose sum is σ = 240656100. Its totient is φ = 240227904.

The previous prime is 240441967. The next prime is 240442003. The reversal of 240442001 is 100244042.

240442001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136422400 + 104019601 = 11680^2 + 10199^2 .

It is a cyclic number.

It is not a de Polignac number, because 240442001 - 2⁶ = 240441937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240442003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105356 + ... + 107613.

It is an arithmetic number, because the mean of its divisors is an integer number (60164025).

Almost surely, 2^240442001 is an apocalyptic number.

It is an amenable number.

240442001 is a deficient number, since it is larger than the sum of its proper divisors (214099).

240442001 is a wasteful number, since it uses less digits than its factorization.

240442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214098.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 240442001 is about 15506.1923437058. The cubic root of 240442001 is about 621.8277671962.

Adding to 240442001 its reverse (100244042), we get a palindrome (340686043).

The spelling of 240442001 in words is "two hundred forty million, four hundred forty-two thousand, one".