4040130465 has 24 divisors (see below), whose sum is σ = 8003306688. Its totient is φ = 1846916640.

The previous prime is 4040130443. The next prime is 4040130473. The reversal of 4040130465 is 5640310404.

It is not a de Polignac number, because 4040130465 - 2⁸ = 4040130209 is a prime.

It is a super-2 number, since 2×4040130465² = 32645308348442232450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6412591 + ... + 6413220.

It is an arithmetic number, because the mean of its divisors is an integer number (333471112).

Almost surely, 2^4040130465 is an apocalyptic number.

4040130465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4040130465 is a deficient number, since it is larger than the sum of its proper divisors (3963176223).

4040130465 is a wasteful number, since it uses less digits than its factorization.

4040130465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12825829 (or 12825826 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4040130465 is about 63562.0206176613. The cubic root of 4040130465 is about 1592.6919924245.

Adding to 4040130465 its reverse (5640310404), we get a palindrome (9680440869).

The spelling of 4040130465 in words is "four billion, forty million, one hundred thirty thousand, four hundred sixty-five".