540017220 has 96 divisors (see below), whose sum is σ = 1589309568. Its totient is φ = 136829952.

The previous prime is 540017197. The next prime is 540017227. The reversal of 540017220 is 22710045.

It is not an unprimeable number, because it can be changed into a prime (540017227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92632 + ... + 98288.

It is an arithmetic number, because the mean of its divisors is an integer number (16555308).

Almost surely, 2^540017220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540017220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794654784).

540017220 is an abundant number, since it is smaller than the sum of its proper divisors (1049292348).

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

540017220 is a wasteful number, since it uses less digits than its factorization.

540017220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 540017220 is about 23238.2705896975. The cubic root of 540017220 is about 814.3339408626. Note that the first 3 decimals are identical.

Adding to 540017220 its reverse (22710045), we get a palindrome (562727265).

The spelling of 540017220 in words is "five hundred forty million, seventeen thousand, two hundred twenty".