4028921944042 has 32 divisors (see below), whose sum is σ = 6354650776320. Its totient is φ = 1912995026880.

The previous prime is 4028921944037. The next prime is 4028921944067. The reversal of 4028921944042 is 2404491298204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94184943 + ... + 94227709.

It is an arithmetic number, because the mean of its divisors is an integer number (198582836760).

Almost surely, 2^{4028921944042} is an apocalyptic number.

4028921944042 is a deficient number, since it is larger than the sum of its proper divisors (2325728832278).

4028921944042 is a wasteful number, since it uses less digits than its factorization.

4028921944042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69486.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 4028921944042 in words is "four trillion, twenty-eight billion, nine hundred twenty-one million, nine hundred forty-four thousand, forty-two".