540349212 has 96 divisors (see below), whose sum is σ = 1436940288. Its totient is φ = 156777984.

The previous prime is 540349207. The next prime is 540349213. The reversal of 540349212 is 212943045.

It is a self number, because there is not a number n which added to its sum of digits gives 540349212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540349213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260893 + ... + 262955.

It is an arithmetic number, because the mean of its divisors is an integer number (14968128).

Almost surely, 2^540349212 is an apocalyptic number.

540349212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540349212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718470144).

540349212 is an abundant number, since it is smaller than the sum of its proper divisors (896591076).

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

540349212 is a wasteful number, since it uses less digits than its factorization.

540349212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 540349212 is about 23245.4127087475. The cubic root of 540349212 is about 814.5007855237.

It can be divided in two parts, 5403 and 49212, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 540349212 in words is "five hundred forty million, three hundred forty-nine thousand, two hundred twelve".