539493144 has 64 divisors (see below), whose sum is σ = 1433116800. Its totient is φ = 168758784.

The previous prime is 539493139. The next prime is 539493161. The reversal of 539493144 is 441394935.

It is a junction number, because it is equal to n+sod(n) for n = 539493096 and 539493105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43264 + ... + 54320.

It is an arithmetic number, because the mean of its divisors is an integer number (22392450).

Almost surely, 2^539493144 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 539493144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716558400).

539493144 is an abundant number, since it is smaller than the sum of its proper divisors (893623656).

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

539493144 is a wasteful number, since it uses less digits than its factorization.

539493144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192 (or 11188 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 539493144 is about 23226.9917122300. The cubic root of 539493144 is about 814.0704239529.

The spelling of 539493144 in words is "five hundred thirty-nine million, four hundred ninety-three thousand, one hundred forty-four".