540405052 has 24 divisors (see below), whose sum is σ = 1032503472. Its totient is φ = 245443200.

The previous prime is 540405029. The next prime is 540405059. The reversal of 540405052 is 250504045.

540405052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540405059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61018 + ... + 69310.

It is an arithmetic number, because the mean of its divisors is an integer number (43020978).

Almost surely, 2^540405052 is an apocalyptic number.

It is an amenable number.

540405052 is a deficient number, since it is larger than the sum of its proper divisors (492098420).

540405052 is a wasteful number, since it uses less digits than its factorization.

540405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9789 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 540405052 is about 23246.6137749135. The cubic root of 540405052 is about 814.5288415514.

Adding to 540405052 its reverse (250504045), we get a palindrome (790909097).

The spelling of 540405052 in words is "five hundred forty million, four hundred five thousand, fifty-two".