3040065665 has 32 divisors (see below), whose sum is σ = 4493857536. Its totient is φ = 1922584320.

The previous prime is 3040065631. The next prime is 3040065667. The reversal of 3040065665 is 5665600403.

It is not a de Polignac number, because 3040065665 - 2¹⁰ = 3040064641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3040065667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712679 + ... + 716931.

It is an arithmetic number, because the mean of its divisors is an integer number (140433048).

Almost surely, 2^3040065665 is an apocalyptic number.

3040065665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3040065665 is a deficient number, since it is larger than the sum of its proper divisors (1453791871).

3040065665 is a wasteful number, since it uses less digits than its factorization.

3040065665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 3040065665 is about 55136.7904851198. The cubic root of 3040065665 is about 1448.6417189174.

The spelling of 3040065665 in words is "three billion, forty million, sixty-five thousand, six hundred sixty-five".