540503443220 has 96 divisors (see below), whose sum is σ = 1257362265600. Its totient is φ = 193918500864.

The previous prime is 540503443219. The next prime is 540503443229. The reversal of 540503443220 is 22344305045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540503443229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1539476 + ... + 1857684.

It is an arithmetic number, because the mean of its divisors is an integer number (13097523600).

Almost surely, 2^540503443220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540503443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628681132800).

540503443220 is an abundant number, since it is smaller than the sum of its proper divisors (716858822380).

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

540503443220 is a wasteful number, since it uses less digits than its factorization.

540503443220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318417 (or 318415 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 540503443220 its reverse (22344305045), we get a palindrome (562847748265).

The spelling of 540503443220 in words is "five hundred forty billion, five hundred three million, four hundred forty-three thousand, two hundred twenty".