540484459 has 2 divisors, whose sum is σ = 540484460. Its totient is φ = 540484458.

The previous prime is 540484433. The next prime is 540484487. The reversal of 540484459 is 954484045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540484459 - 2¹³ = 540476267 is a prime.

It is a super-4 number, since 4×540484459⁴ (a number of 36 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (540484409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270242229 + 270242230.

It is an arithmetic number, because the mean of its divisors is an integer number (270242230).

Almost surely, 2^540484459 is an apocalyptic number.

540484459 is a deficient number, since it is larger than the sum of its proper divisors (1).

540484459 is an equidigital number, since it uses as much as digits as its factorization.

540484459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 540484459 is about 23248.3216383463. The cubic root of 540484459 is about 814.5687351606.

The spelling of 540484459 in words is "five hundred forty million, four hundred eighty-four thousand, four hundred fifty-nine".