240340241 has 4 divisors (see below), whose sum is σ = 248093184. Its totient is φ = 232587300.

The previous prime is 240340231. The next prime is 240340273. The reversal of 240340241 is 142043042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142043042 = 2 ⋅71021521.

It is a cyclic number.

It is not a de Polignac number, because 240340241 - 2¹⁴ = 240323857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3876425 + ... + 3876486.

It is an arithmetic number, because the mean of its divisors is an integer number (62023296).

Almost surely, 2^240340241 is an apocalyptic number.

It is an amenable number.

240340241 is a deficient number, since it is larger than the sum of its proper divisors (7752943).

240340241 is an equidigital number, since it uses as much as digits as its factorization.

240340241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752942.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 240340241 is about 15502.9107266990. The cubic root of 240340241 is about 621.7400313844.

Adding to 240340241 its reverse (142043042), we get a palindrome (382383283).

The spelling of 240340241 in words is "two hundred forty million, three hundred forty thousand, two hundred forty-one".