28026196042 has 16 divisors (see below), whose sum is σ = 45673737480. Its totient is φ = 12820695552.

The previous prime is 28026195991. The next prime is 28026196063. The reversal of 28026196042 is 24069162082.

It can be written as a sum of positive squares in 4 ways, for example, as 6528478401 + 21497717641 = 80799^2 + 146621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28026195986 and 28026196004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766667 + ... + 4772542.

Almost surely, 2^28026196042 is an apocalyptic number.

28026196042 is a deficient number, since it is larger than the sum of its proper divisors (17647541438).

28026196042 is a wasteful number, since it uses less digits than its factorization.

28026196042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9539337.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 28026196042 in words is "twenty-eight billion, twenty-six million, one hundred ninety-six thousand, forty-two".