540041443 has 4 divisors (see below), whose sum is σ = 540575568. Its totient is φ = 539507320.

The previous prime is 540041387. The next prime is 540041459. The reversal of 540041443 is 344140045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344140045 = 5 ⋅68828009.

It is a cyclic number.

It is not a de Polignac number, because 540041443 - 2¹³ = 540033251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540041473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265543 + ... + 267568.

It is an arithmetic number, because the mean of its divisors is an integer number (135143892).

Almost surely, 2^540041443 is an apocalyptic number.

540041443 is a deficient number, since it is larger than the sum of its proper divisors (534125).

540041443 is a wasteful number, since it uses less digits than its factorization.

540041443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534124.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 540041443 is about 23238.7917715186. The cubic root of 540041443 is about 814.3461165954.

Adding to 540041443 its reverse (344140045), we get a palindrome (884181488).

The spelling of 540041443 in words is "five hundred forty million, forty-one thousand, four hundred forty-three".