540021540214220 has 96 divisors (see below), whose sum is σ = 1177911311976000. Its totient is φ = 207714369945600.

The previous prime is 540021540214217. The next prime is 540021540214241. The reversal of 540021540214220 is 22412045120045.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326928956 + ... + 328576604.

It is an arithmetic number, because the mean of its divisors is an integer number (12269909499750).

Almost surely, 2^{540021540214220} 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 540021540214220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588955655988000).

540021540214220 is an abundant number, since it is smaller than the sum of its proper divisors (637889771761780).

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

540021540214220 is a wasteful number, since it uses less digits than its factorization.

540021540214220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649979 (or 1649977 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 540021540214220 its reverse (22412045120045), we get a palindrome (562433585334265).

The spelling of 540021540214220 in words is "five hundred forty trillion, twenty-one billion, five hundred forty million, two hundred fourteen thousand, two hundred twenty".