540034220121 has 32 divisors (see below), whose sum is σ = 795283453440. Its totient is φ = 323221958400.

The previous prime is 540034220081. The next prime is 540034220153. The reversal of 540034220121 is 121022430045.

It is not a de Polignac number, because 540034220121 - 2⁹ = 540034219609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540034220091 and 540034220100.

It is not an unprimeable number, because it can be changed into a prime (540034220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7108266 + ... + 7183836.

It is an arithmetic number, because the mean of its divisors is an integer number (24852607920).

Almost surely, 2^540034220121 is an apocalyptic number.

It is an amenable number.

540034220121 is a deficient number, since it is larger than the sum of its proper divisors (255249233319).

540034220121 is a wasteful number, since it uses less digits than its factorization.

540034220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78277.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 540034220121 its reverse (121022430045), we get a palindrome (661056650166).

The spelling of 540034220121 in words is "five hundred forty billion, thirty-four million, two hundred twenty thousand, one hundred twenty-one".