28042328042 has 32 divisors (see below), whose sum is σ = 44460928512. Its totient is φ = 13238105584.

The previous prime is 28042328029. The next prime is 28042328051. The reversal of 28042328042 is 24082324082.

It is a junction number, because it is equal to n+sod(n) for n = 28042327993 and 28042328011.

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, 5445713 + ... + 5450859.

It is an arithmetic number, because the mean of its divisors is an integer number (1389404016).

Almost surely, 2^28042328042 is an apocalyptic number.

28042328042 is a deficient number, since it is larger than the sum of its proper divisors (16418600470).

28042328042 is a wasteful number, since it uses less digits than its factorization.

28042328042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 28042328042 in words is "twenty-eight billion, forty-two million, three hundred twenty-eight thousand, forty-two".