240243355 has 16 divisors (see below), whose sum is σ = 317447424. Its totient is φ = 173085280.

The previous prime is 240243319. The next prime is 240243373. The reversal of 240243355 is 553342042.

It is not a de Polignac number, because 240243355 - 2¹⁵ = 240210587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14527 + ... + 26296.

It is an arithmetic number, because the mean of its divisors is an integer number (19840464).

Almost surely, 2^240243355 is an apocalyptic number.

240243355 is a deficient number, since it is larger than the sum of its proper divisors (77204069).

240243355 is a wasteful number, since it uses less digits than its factorization.

240243355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40946.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 240243355 is about 15499.7856436791. The cubic root of 240243355 is about 621.6564748389.

Adding to 240243355 its reverse (553342042), we get a palindrome (793585397).

The spelling of 240243355 in words is "two hundred forty million, two hundred forty-three thousand, three hundred fifty-five".