28500604042 has 8 divisors (see below), whose sum is σ = 42756027300. Its totient is φ = 14248594944.

The previous prime is 28500604019. The next prime is 28500604043. The reversal of 28500604042 is 24040600582.

It can be written as a sum of positive squares in 2 ways, for example, as 27665336241 + 835267801 = 166329^2 + 28901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28500603995 and 28500604013.

It is not an unprimeable number, because it can be changed into a prime (28500604043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832567 + ... + 866122.

Almost surely, 2^28500604042 is an apocalyptic number.

28500604042 is a deficient number, since it is larger than the sum of its proper divisors (14255423258).

28500604042 is a wasteful number, since it uses less digits than its factorization.

28500604042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707080.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 28500604042 in words is "twenty-eight billion, five hundred million, six hundred four thousand, forty-two".