240842229 has 8 divisors (see below), whose sum is σ = 327182112. Its totient is φ = 157531920.

The previous prime is 240842227. The next prime is 240842237. The reversal of 240842229 is 922248042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240842229 - 2¹ = 240842227 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 240842229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240842221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757207 + ... + 757524.

It is an arithmetic number, because the mean of its divisors is an integer number (40897764).

Almost surely, 2^240842229 is an apocalyptic number.

It is an amenable number.

240842229 is a deficient number, since it is larger than the sum of its proper divisors (86339883).

240842229 is a wasteful number, since it uses less digits than its factorization.

240842229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514787.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 240842229 is about 15519.0924025859. The cubic root of 240842229 is about 622.1725973048.

The spelling of 240842229 in words is "two hundred forty million, eight hundred forty-two thousand, two hundred twenty-nine".