540030 has 32 divisors (see below), whose sum is σ = 1327104. Its totient is φ = 140576.

The previous prime is 539993. The next prime is 540041. The reversal of 540030 is 30045.

It is a junction number, because it is equal to n+sod(n) for n = 539988 and 540015.

It is a congruent number.

It is an unprimeable number.

540030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (41472).

2⁵⁴⁰⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663552).

540030 is an abundant number, since it is smaller than the sum of its proper divisors (787074).

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

540030 is a wasteful number, since it uses less digits than its factorization.

540030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 540030 is about 734.8673349660. The cubic root of 540030 is about 81.4340364797.

Adding to 540030 its reverse (30045), we get a palindrome (570075).

The spelling of 540030 in words is "five hundred forty thousand, thirty".