539649330 has 64 divisors (see below), whose sum is σ = 1415328768. Its totient is φ = 130599360.

The previous prime is 539649293. The next prime is 539649337. The reversal of 539649330 is 33946935.

It is not an unprimeable number, because it can be changed into a prime (539649337) 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, 270597 + ... + 272583.

It is an arithmetic number, because the mean of its divisors is an integer number (22114512).

Almost surely, 2^539649330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539649330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707664384).

539649330 is an abundant number, since it is smaller than the sum of its proper divisors (875679438).

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

539649330 is a wasteful number, since it uses less digits than its factorization.

539649330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 539649330 is about 23230.3536348459. The cubic root of 539649330 is about 814.1489755445.

The spelling of 539649330 in words is "five hundred thirty-nine million, six hundred forty-nine thousand, three hundred thirty".