540232 has 32 divisors (see below), whose sum is σ = 1264320. Its totient is φ = 210240.

The previous prime is 540217. The next prime is 540233. The reversal of 540232 is 232045.

It is a super-2 number, since 2×540232² = 583701227648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540233) by changing a digit.

540232 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 7 ways as a sum of consecutive naturals, for example, 178 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (39510).

2⁵⁴⁰²³² 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 540232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632160).

540232 is an abundant number, since it is smaller than the sum of its proper divisors (724088).

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

540232 is a wasteful number, since it uses less digits than its factorization.

540232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 540232 is about 735.0047618893. The cubic root of 540232 is about 81.4441887705. Note that the first 3 decimals are identical.

Adding to 540232 its reverse (232045), we get a palindrome (772277).

The spelling of 540232 in words is "five hundred forty thousand, two hundred thirty-two".