240450215 has 4 divisors (see below), whose sum is σ = 288540264. Its totient is φ = 192360168.

The previous prime is 240450209. The next prime is 240450239. The reversal of 240450215 is 512054042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240450215 - 2¹⁰ = 240449191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 24045017 + ... + 24045026.

It is an arithmetic number, because the mean of its divisors is an integer number (72135066).

Almost surely, 2^240450215 is an apocalyptic number.

240450215 is a deficient number, since it is larger than the sum of its proper divisors (48090049).

240450215 is an equidigital number, since it uses as much as digits as its factorization.

240450215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48090048.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 240450215 is about 15506.4572033718. The cubic root of 240450215 is about 621.8348480932.

The spelling of 240450215 in words is "two hundred forty million, four hundred fifty thousand, two hundred fifteen".