540120441 has 16 divisors (see below), whose sum is σ = 832291200. Its totient is φ = 305171328.

The previous prime is 540120439. The next prime is 540120443. The reversal of 540120441 is 144021045.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (540120439) and next prime (540120443).

It is not a de Polignac number, because 540120441 - 2¹ = 540120439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (540120443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142626 + ... + 146363.

It is an arithmetic number, because the mean of its divisors is an integer number (52018200).

Almost surely, 2^540120441 is an apocalyptic number.

It is an amenable number.

540120441 is a deficient number, since it is larger than the sum of its proper divisors (292170759).

540120441 is a wasteful number, since it uses less digits than its factorization.

540120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289088.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 540120441 is about 23240.4914104672. The cubic root of 540120441 is about 814.3858225469.

Adding to 540120441 its reverse (144021045), we get a palindrome (684141486).

The spelling of 540120441 in words is "five hundred forty million, one hundred twenty thousand, four hundred forty-one".