5540418217 has 2 divisors, whose sum is σ = 5540418218. Its totient is φ = 5540418216.

The previous prime is 5540418211. The next prime is 5540418277. The reversal of 5540418217 is 7128140455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3389684841 + 2150733376 = 58221^2 + 46376^2 .

It is a cyclic number.

It is not a de Polignac number, because 5540418217 - 2¹⁵ = 5540385449 is a prime.

It is not a weakly prime, because it can be changed into another prime (5540418211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770209108 + 2770209109.

It is an arithmetic number, because the mean of its divisors is an integer number (2770209109).

Almost surely, 2^5540418217 is an apocalyptic number.

It is an amenable number.

5540418217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540418217 is an equidigital number, since it uses as much as digits as its factorization.

5540418217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 5540418217 is about 74433.9856315648. The cubic root of 5540418217 is about 1769.4875698565.

The spelling of 5540418217 in words is "five billion, five hundred forty million, four hundred eighteen thousand, two hundred seventeen".