240344407 has 2 divisors, whose sum is σ = 240344408. Its totient is φ = 240344406.

The previous prime is 240344399. The next prime is 240344437. The reversal of 240344407 is 704443042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240344407 - 2³ = 240344399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240344437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120172203 + 120172204.

It is an arithmetic number, because the mean of its divisors is an integer number (120172204).

Almost surely, 2^240344407 is an apocalyptic number.

240344407 is a deficient number, since it is larger than the sum of its proper divisors (1).

240344407 is an equidigital number, since it uses as much as digits as its factorization.

240344407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 240344407 is about 15503.0450879819. The cubic root of 240344407 is about 621.7436237278.

Adding to 240344407 its reverse (704443042), we get a palindrome (944787449).

It can be divided in two parts, 24034 and 4407, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 240344407 in words is "two hundred forty million, three hundred forty-four thousand, four hundred seven".