540543441 has 16 divisors (see below), whose sum is σ = 789436800. Its totient is φ = 327468288.

The previous prime is 540543433. The next prime is 540543463. The reversal of 540543441 is 144345045.

It is not a de Polignac number, because 540543441 - 2³ = 540543433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540543399 and 540543408.

It is not an unprimeable number, because it can be changed into a prime (540543041) 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, 181261 + ... + 184218.

It is an arithmetic number, because the mean of its divisors is an integer number (49339800).

Almost surely, 2^540543441 is an apocalyptic number.

540543441 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

540543441 is a deficient number, since it is larger than the sum of its proper divisors (248893359).

540543441 is a wasteful number, since it uses less digits than its factorization.

540543441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365528.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 540543441 is about 23249.5901254194. The cubic root of 540543441 is about 814.5983648412.

Adding to 540543441 its reverse (144345045), we get a palindrome (684888486).

The spelling of 540543441 in words is "five hundred forty million, five hundred forty-three thousand, four hundred forty-one".