540643020 has 24 divisors (see below), whose sum is σ = 1513800624. Its totient is φ = 144171456.

The previous prime is 540642953. The next prime is 540643031. The reversal of 540643020 is 20346045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505299 + ... + 4505418.

It is an arithmetic number, because the mean of its divisors is an integer number (63075026).

Almost surely, 2^540643020 is an apocalyptic number.

It is an amenable number.

540643020 is an abundant number, since it is smaller than the sum of its proper divisors (973157604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540643020 is a wasteful number, since it uses less digits than its factorization.

540643020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010729 (or 9010727 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 540643020 is about 23251.7315484245. The cubic root of 540643020 is about 814.6483835839.

Adding to 540643020 its reverse (20346045), we get a palindrome (560989065).

The spelling of 540643020 in words is "five hundred forty million, six hundred forty-three thousand, twenty".