240888489 has 16 divisors (see below), whose sum is σ = 336026880. Its totient is φ = 153338240.

The previous prime is 240888467. The next prime is 240888491. The reversal of 240888489 is 984888042.

It is a cyclic number.

It is not a de Polignac number, because 240888489 - 2²³ = 232499881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240888689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15054 + ... + 26615.

It is an arithmetic number, because the mean of its divisors is an integer number (21001680).

Almost surely, 2^240888489 is an apocalyptic number.

It is an amenable number.

240888489 is a deficient number, since it is larger than the sum of its proper divisors (95138391).

240888489 is a wasteful number, since it uses less digits than its factorization.

240888489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41760.

The product of its (nonzero) digits is 1179648, while the sum is 51.

The square root of 240888489 is about 15520.5827532345. The cubic root of 240888489 is about 622.2124295523.

The spelling of 240888489 in words is "two hundred forty million, eight hundred eighty-eight thousand, four hundred eighty-nine".