540020324 has 12 divisors (see below), whose sum is σ = 945449148. Its totient is φ = 269892000.

The previous prime is 540020323. The next prime is 540020329. The reversal of 540020324 is 423020045.

It can be written as a sum of positive squares in 2 ways, for example, as 114918400 + 425101924 = 10720^2 + 20618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540020296 and 540020305.

It is not an unprimeable number, because it can be changed into a prime (540020321) 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, 18827 + ... + 37874.

It is an arithmetic number, because the mean of its divisors is an integer number (78787429).

Almost surely, 2^540020324 is an apocalyptic number.

It is an amenable number.

540020324 is a deficient number, since it is larger than the sum of its proper divisors (405428824).

540020324 is a wasteful number, since it uses less digits than its factorization.

540020324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59086 (or 59084 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 540020324 is about 23238.3373759828. The cubic root of 540020324 is about 814.3355011139.

Adding to 540020324 its reverse (423020045), we get a palindrome (963040369).

The spelling of 540020324 in words is "five hundred forty million, twenty thousand, three hundred twenty-four".