540555240 has 32 divisors (see below), whose sum is σ = 1621666080. Its totient is φ = 144148032.

The previous prime is 540555217. The next prime is 540555241. The reversal of 540555240 is 42555045.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 540555198 and 540555207.

It is not an unprimeable number, because it can be changed into a prime (540555241) 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 7 ways as a sum of consecutive naturals, for example, 2252194 + ... + 2252433.

It is an arithmetic number, because the mean of its divisors is an integer number (50677065).

Almost surely, 2^540555240 is an apocalyptic number.

It is an amenable number.

540555240 is an abundant number, since it is smaller than the sum of its proper divisors (1081110840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540555240 is a wasteful number, since it uses less digits than its factorization.

540555240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504641 (or 4504637 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 540555240 is about 23249.8438704435. The cubic root of 540555240 is about 814.6042918247.

It can be divided in two parts, 54055 and 5240, that added together give a palindrome (59295).

The spelling of 540555240 in words is "five hundred forty million, five hundred fifty-five thousand, two hundred forty".