240342413 has 4 divisors (see below), whose sum is σ = 254480220. Its totient is φ = 226204608.

The previous prime is 240342397. The next prime is 240342461. The reversal of 240342413 is 314243042.

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 209728324 + 30614089 = 14482^2 + 5533^2 .

It is a cyclic number.

It is not a de Polignac number, because 240342413 - 2⁴ = 240342397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240347413) 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, 7068878 + ... + 7068911.

It is an arithmetic number, because the mean of its divisors is an integer number (63620055).

Almost surely, 2^240342413 is an apocalyptic number.

It is an amenable number.

240342413 is a deficient number, since it is larger than the sum of its proper divisors (14137807).

240342413 is a wasteful number, since it uses less digits than its factorization.

240342413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137806.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 240342413 is about 15502.9807779020. The cubic root of 240342413 is about 621.7419043060.

Adding to 240342413 its reverse (314243042), we get a palindrome (554585455).

The spelling of 240342413 in words is "two hundred forty million, three hundred forty-two thousand, four hundred thirteen".