4540030043 has 2 divisors, whose sum is σ = 4540030044. Its totient is φ = 4540030042.

The previous prime is 4540030039. The next prime is 4540030067. The reversal of 4540030043 is 3400300454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4540030043 - 2² = 4540030039 is a prime.

It is a super-2 number, since 2×4540030043² = 41223745582685163698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540030543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270015021 + 2270015022.

It is an arithmetic number, because the mean of its divisors is an integer number (2270015022).

Almost surely, 2^4540030043 is an apocalyptic number.

4540030043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540030043 is an equidigital number, since it uses as much as digits as its factorization.

4540030043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 4540030043 is about 67379.7450499777. The cubic root of 4540030043 is about 1655.8445980638.

Adding to 4540030043 its reverse (3400300454), we get a palindrome (7940330497).

The spelling of 4540030043 in words is "four billion, five hundred forty million, thirty thousand, forty-three".