540123304220 has 48 divisors (see below), whose sum is σ = 1156393687680. Its totient is φ = 211838355456.

The previous prime is 540123304169. The next prime is 540123304297. The reversal of 540123304220 is 22403321045.

It is a self number, because there is not a number n which added to its sum of digits gives 540123304220.

It is a congruent number.

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, 1517036 + ... + 1838924.

It is an arithmetic number, because the mean of its divisors is an integer number (24091535160).

Almost surely, 2^540123304220 is an apocalyptic number.

It is an amenable number.

540123304220 is an abundant number, since it is smaller than the sum of its proper divisors (616270383460).

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

540123304220 is a wasteful number, since it uses less digits than its factorization.

540123304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323534 (or 323532 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 540123304220 its reverse (22403321045), we get a palindrome (562526625265).

The spelling of 540123304220 in words is "five hundred forty billion, one hundred twenty-three million, three hundred four thousand, two hundred twenty".