240064665 has 32 divisors (see below), whose sum is σ = 389702016. Its totient is φ = 126182400.

The previous prime is 240064637. The next prime is 240064711. The reversal of 240064665 is 566460042.

240064665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240064665 - 2²³ = 231676057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598465 + ... + 598865.

It is an arithmetic number, because the mean of its divisors is an integer number (12178188).

Almost surely, 2^240064665 is an apocalyptic number.

It is an amenable number.

240064665 is a deficient number, since it is larger than the sum of its proper divisors (149637351).

240064665 is a wasteful number, since it uses less digits than its factorization.

240064665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 240064665 is about 15494.0202981666. The cubic root of 240064665 is about 621.5023098426.

The spelling of 240064665 in words is "two hundred forty million, sixty-four thousand, six hundred sixty-five".