240343036665 has 16 divisors (see below), whose sum is σ = 384583344000. Its totient is φ = 128171457792.

The previous prime is 240343036649. The next prime is 240343036693. The reversal of 240343036665 is 566630343042.

It is not a de Polignac number, because 240343036665 - 2⁴ = 240343036649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544240 + ... + 881409.

It is an arithmetic number, because the mean of its divisors is an integer number (24036459000).

Almost surely, 2^240343036665 is an apocalyptic number.

It is an amenable number.

240343036665 is a deficient number, since it is larger than the sum of its proper divisors (144240307335).

240343036665 is a wasteful number, since it uses less digits than its factorization.

240343036665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436896.

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 240343036665 in words is "two hundred forty billion, three hundred forty-three million, thirty-six thousand, six hundred sixty-five".