240664283 has 4 divisors (see below), whose sum is σ = 243961128. Its totient is φ = 237367440.

The previous prime is 240664271. The next prime is 240664313. The reversal of 240664283 is 382466042.

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 240664283 - 2²² = 236469979 is a prime.

It is a super-3 number, since 3×240664283³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240664483) 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 in 3 ways as a sum of consecutive naturals, for example, 1648313 + ... + 1648458.

It is an arithmetic number, because the mean of its divisors is an integer number (60990282).

Almost surely, 2^240664283 is an apocalyptic number.

240664283 is a deficient number, since it is larger than the sum of its proper divisors (3296845).

240664283 is an equidigital number, since it uses as much as digits as its factorization.

240664283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296844.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 240664283 is about 15513.3582115543. The cubic root of 240664283 is about 622.0193290520.

The spelling of 240664283 in words is "two hundred forty million, six hundred sixty-four thousand, two hundred eighty-three".