539669520 has 160 divisors (see below), whose sum is σ = 2001955200. Its totient is φ = 132834816.

The previous prime is 539669513. The next prime is 539669527. The reversal of 539669520 is 25966935.

539669520 is a `hidden beast` number, since 539 + 6 + 6 + 95 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (539669513) and next prime (539669527).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (539669527) 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, 18471 + ... + 37689.

It is an arithmetic number, because the mean of its divisors is an integer number (12512220).

Almost surely, 2^539669520 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 539669520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000977600).

539669520 is an abundant number, since it is smaller than the sum of its proper divisors (1462285680).

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

539669520 is a wasteful number, since it uses less digits than its factorization.

539669520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19254 (or 19242 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The square root of 539669520 is about 23230.7881915358. The cubic root of 539669520 is about 814.1591287198.

The spelling of 539669520 in words is "five hundred thirty-nine million, six hundred sixty-nine thousand, five hundred twenty".