4128351728842 has 32 divisors (see below), whose sum is σ = 6780754378944. Its totient is φ = 1869512736000.

The previous prime is 4128351728819. The next prime is 4128351728873. The reversal of 4128351728842 is 2488271538214.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9431613 + ... + 9859615.

It is an arithmetic number, because the mean of its divisors is an integer number (211898574342).

Almost surely, 2^{4128351728842} is an apocalyptic number.

4128351728842 is a deficient number, since it is larger than the sum of its proper divisors (2652402650102).

4128351728842 is a wasteful number, since it uses less digits than its factorization.

4128351728842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429654.

The product of its digits is 6881280, while the sum is 55.

The spelling of 4128351728842 in words is "four trillion, one hundred twenty-eight billion, three hundred fifty-one million, seven hundred twenty-eight thousand, eight hundred forty-two".