540044043011 has 16 divisors (see below), whose sum is σ = 608448734208. Its totient is φ = 474873549600.

The previous prime is 540044042971. The next prime is 540044043029. The reversal of 540044043011 is 110340440045.

It is a happy number.

It is not a de Polignac number, because 540044043011 - 2¹⁰ = 540044041987 is a prime.

It is a super-2 number, since 2×540044043011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540044046011) 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 15 ways as a sum of consecutive naturals, for example, 284456 + ... + 1077498.

It is an arithmetic number, because the mean of its divisors is an integer number (38028045888).

Almost surely, 2^540044043011 is an apocalyptic number.

540044043011 is a deficient number, since it is larger than the sum of its proper divisors (68404691197).

540044043011 is a wasteful number, since it uses less digits than its factorization.

540044043011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795082.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 540044043011 its reverse (110340440045), we get a palindrome (650384483056).

The spelling of 540044043011 in words is "five hundred forty billion, forty-four million, forty-three thousand, eleven".