240001799 has 4 divisors (see below), whose sum is σ = 240273264. Its totient is φ = 239730336.

The previous prime is 240001789. The next prime is 240001807. The reversal of 240001799 is 997100042.

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 240001799 - 2²⁰ = 238953223 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 (240001789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134402 + ... + 136175.

It is an arithmetic number, because the mean of its divisors is an integer number (60068316).

Almost surely, 2^240001799 is an apocalyptic number.

240001799 is a deficient number, since it is larger than the sum of its proper divisors (271465).

240001799 is an equidigital number, since it uses as much as digits as its factorization.

240001799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271464.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 240001799 is about 15491.9914471962. The cubic root of 240001799 is about 621.4480539400.

The spelling of 240001799 in words is "two hundred forty million, one thousand, seven hundred ninety-nine".