540222443121 has 16 divisors (see below), whose sum is σ = 722136757568. Its totient is φ = 359228520000.

The previous prime is 540222443119. The next prime is 540222443177. The reversal of 540222443121 is 121344222045.

It is a happy number.

It is not a de Polignac number, because 540222443121 - 2¹ = 540222443119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540222043121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7627371 + ... + 7697871.

It is an arithmetic number, because the mean of its divisors is an integer number (45133547348).

Almost surely, 2^540222443121 is an apocalyptic number.

It is an amenable number.

540222443121 is a deficient number, since it is larger than the sum of its proper divisors (181914314447).

540222443121 is a wasteful number, since it uses less digits than its factorization.

540222443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76992.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 540222443121 its reverse (121344222045), we get a palindrome (661566665166).

The spelling of 540222443121 in words is "five hundred forty billion, two hundred twenty-two million, four hundred forty-three thousand, one hundred twenty-one".