540430221200 has 60 divisors (see below), whose sum is σ = 1298505679380. Its totient is φ = 216151764480.

The previous prime is 540430221181. The next prime is 540430221239. The reversal of 540430221200 is 2122034045.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 235465621504 + 304964599696 = 485248^2 + 552236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4629146 + ... + 4744454.

It is an arithmetic number, because the mean of its divisors is an integer number (21641761323).

Almost surely, 2^540430221200 is an apocalyptic number.

540430221200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

540430221200 is an abundant number, since it is smaller than the sum of its proper divisors (758075458180).

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

540430221200 is a wasteful number, since it uses less digits than its factorization.

540430221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127044 (or 127033 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 540430221200 its reverse (2122034045), we get a palindrome (542552255245).

The spelling of 540430221200 in words is "five hundred forty billion, four hundred thirty million, two hundred twenty-one thousand, two hundred".