42728544232 has 32 divisors (see below), whose sum is σ = 88300336320. Its totient is φ = 19221834240.

The previous prime is 42728544227. The next prime is 42728544241. The reversal of 42728544232 is 23244582724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494308 + ... + 2511379.

It is an arithmetic number, because the mean of its divisors is an integer number (2759385510).

Almost surely, 2^42728544232 is an apocalyptic number.

It is an amenable number.

42728544232 is an abundant number, since it is smaller than the sum of its proper divisors (45571792088).

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

42728544232 is a wasteful number, since it uses less digits than its factorization.

42728544232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005801 (or 5005797 counting only the distinct ones).

The product of its digits is 860160, while the sum is 43.

The spelling of 42728544232 in words is "forty-two billion, seven hundred twenty-eight million, five hundred forty-four thousand, two hundred thirty-two".