28116806042 has 16 divisors (see below), whose sum is σ = 45434336640. Its totient is φ = 12972735792.

The previous prime is 28116805993. The next prime is 28116806051. The reversal of 28116806042 is 24060861182.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28116805987 and 28116806005.

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, 95558 + ... + 255665.

It is an arithmetic number, because the mean of its divisors is an integer number (2839646040).

Almost surely, 2^28116806042 is an apocalyptic number.

28116806042 is a deficient number, since it is larger than the sum of its proper divisors (17317530598).

28116806042 is a wasteful number, since it uses less digits than its factorization.

28116806042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354317.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 28116806042 in words is "twenty-eight billion, one hundred sixteen million, eight hundred six thousand, forty-two".