540016447 has 2 divisors, whose sum is σ = 540016448. Its totient is φ = 540016446.

The previous prime is 540016427. The next prime is 540016459. The reversal of 540016447 is 744610045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540016447 - 2²³ = 531627839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540016427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270008223 + 270008224.

It is an arithmetic number, because the mean of its divisors is an integer number (270008224).

Almost surely, 2^540016447 is an apocalyptic number.

540016447 is a deficient number, since it is larger than the sum of its proper divisors (1).

540016447 is an equidigital number, since it uses as much as digits as its factorization.

540016447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 540016447 is about 23238.2539576449. The cubic root of 540016447 is about 814.3335523069. Note that the first 3 decimals are identical.

The spelling of 540016447 in words is "five hundred forty million, sixteen thousand, four hundred forty-seven".