4045140465 has 16 divisors (see below), whose sum is σ = 6594343488. Its totient is φ = 2116702016.

The previous prime is 4045140391. The next prime is 4045140467. The reversal of 4045140465 is 5640415404.

It is a cyclic number.

It is not a de Polignac number, because 4045140465 - 2¹¹ = 4045138417 is a prime.

It is a super-2 number, since 2×4045140465² = 32726322763160832450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4045140467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543319 + ... + 2544908.

It is an arithmetic number, because the mean of its divisors is an integer number (412146468).

Almost surely, 2^4045140465 is an apocalyptic number.

It is an amenable number.

4045140465 is a deficient number, since it is larger than the sum of its proper divisors (2549203023).

4045140465 is a wasteful number, since it uses less digits than its factorization.

4045140465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088288.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 4045140465 is about 63601.4187341760. The cubic root of 4045140465 is about 1593.3500644775.

Adding to 4045140465 its reverse (5640415404), we get a palindrome (9685555869).

The spelling of 4045140465 in words is "four billion, forty-five million, one hundred forty thousand, four hundred sixty-five".