539740452520 has 16 divisors (see below), whose sum is σ = 1214416018260. Its totient is φ = 215896180992.

The previous prime is 539740452499. The next prime is 539740452523. The reversal of 539740452520 is 25254047935.

It can be written as a sum of positive squares in 2 ways, for example, as 537825689956 + 1914762564 = 733366^2 + 43758^2 .

It is not an unprimeable number, because it can be changed into a prime (539740452523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6746755617 + ... + 6746755696.

Almost surely, 2^539740452520 is an apocalyptic number.

It is an amenable number.

539740452520 is an abundant number, since it is smaller than the sum of its proper divisors (674675565740).

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

539740452520 is a wasteful number, since it uses less digits than its factorization.

539740452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493511324 (or 13493511320 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 539740452520 in words is "five hundred thirty-nine billion, seven hundred forty million, four hundred fifty-two thousand, five hundred twenty".