240386109 has 8 divisors (see below), whose sum is σ = 321915360. Its totient is φ = 159557136.

The previous prime is 240386099. The next prime is 240386117. The reversal of 240386109 is 901683042.

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

It is not a de Polignac number, because 240386109 - 2⁹ = 240385597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240386109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240386129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174267 + ... + 175640.

It is an arithmetic number, because the mean of its divisors is an integer number (40239420).

Almost surely, 2^240386109 is an apocalyptic number.

It is an amenable number.

240386109 is a deficient number, since it is larger than the sum of its proper divisors (81529251).

240386109 is a wasteful number, since it uses less digits than its factorization.

240386109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350139.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 240386109 is about 15504.3899912251. The cubic root of 240386109 is about 621.7795810907.

The spelling of 240386109 in words is "two hundred forty million, three hundred eighty-six thousand, one hundred nine".