5605239728 has 40 divisors (see below), whose sum is σ = 12544353360. Its totient is φ = 2397962240.

The previous prime is 5605239721. The next prime is 5605239737. The reversal of 5605239728 is 8279325065.

It is not an unprimeable number, because it can be changed into a prime (5605239721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933713 + ... + 939696.

It is an arithmetic number, because the mean of its divisors is an integer number (313608834).

Almost surely, 2^5605239728 is an apocalyptic number.

It is an amenable number.

5605239728 is an abundant number, since it is smaller than the sum of its proper divisors (6939113632).

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

5605239728 is a wasteful number, since it uses less digits than its factorization.

5605239728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873445 (or 1873439 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 5605239728 is about 74868.1489553468. The cubic root of 5605239728 is about 1776.3616850555.

The spelling of 5605239728 in words is "five billion, six hundred five million, two hundred thirty-nine thousand, seven hundred twenty-eight".