4540255665 has 16 divisors (see below), whose sum is σ = 7924810176. Its totient is φ = 2201336000.

The previous prime is 4540255661. The next prime is 4540255669. The reversal of 4540255665 is 5665520454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4540255661) and next prime (4540255669).

It is not a de Polignac number, because 4540255665 - 2² = 4540255661 is a prime.

It is a super-2 number, since 2×4540255665² = 41227843007129184450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4540255661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13758186 + ... + 13758515.

It is an arithmetic number, because the mean of its divisors is an integer number (495300636).

Almost surely, 2^4540255665 is an apocalyptic number.

It is an amenable number.

4540255665 is a deficient number, since it is larger than the sum of its proper divisors (3384554511).

4540255665 is a wasteful number, since it uses less digits than its factorization.

4540255665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27516720.

The product of its (nonzero) digits is 720000, while the sum is 42.

The square root of 4540255665 is about 67381.4192860317. The cubic root of 4540255665 is about 1655.8720273082.

The spelling of 4540255665 in words is "four billion, five hundred forty million, two hundred fifty-five thousand, six hundred sixty-five".