540305505 has 16 divisors (see below), whose sum is σ = 960543360. Its totient is φ = 288162864.

The previous prime is 540305483. The next prime is 540305573. The reversal of 540305505 is 505503045.

It is not a de Polignac number, because 540305505 - 2¹⁹ = 539781217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000997 + ... + 2001266.

It is an arithmetic number, because the mean of its divisors is an integer number (60033960).

Almost surely, 2^540305505 is an apocalyptic number.

It is an amenable number.

540305505 is a deficient number, since it is larger than the sum of its proper divisors (420237855).

540305505 is a wasteful number, since it uses less digits than its factorization.

540305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002277 (or 4002271 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 540305505 is about 23244.4725687635. The cubic root of 540305505 is about 814.4788242038.

The spelling of 540305505 in words is "five hundred forty million, three hundred five thousand, five hundred five".