240216089 has 8 divisors (see below), whose sum is σ = 246879360. Its totient is φ = 233591200.

The previous prime is 240216061. The next prime is 240216091. The reversal of 240216089 is 980612042.

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

It is a cyclic number.

It is not a de Polignac number, because 240216089 - 2¹⁶ = 240150553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240216049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332 + ... + 22170.

It is an arithmetic number, because the mean of its divisors is an integer number (30859920).

Almost surely, 2^240216089 is an apocalyptic number.

It is an amenable number.

240216089 is a deficient number, since it is larger than the sum of its proper divisors (6663271).

240216089 is a wasteful number, since it uses less digits than its factorization.

240216089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 240216089 is about 15498.9060581707. The cubic root of 240216089 is about 621.6329560105.

The spelling of 240216089 in words is "two hundred forty million, two hundred sixteen thousand, eighty-nine".