28540756058 has 8 divisors (see below), whose sum is σ = 44287380180. Its totient is φ = 13778296000.

The previous prime is 28540756033. The next prime is 28540756093. The reversal of 28540756058 is 85065704582.

It can be written as a sum of positive squares in 2 ways, for example, as 26514585889 + 2026170169 = 162833^2 + 45013^2 .

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 = 28540755997 and 28540756015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246040943 + ... + 246041058.

Almost surely, 2^28540756058 is an apocalyptic number.

28540756058 is a deficient number, since it is larger than the sum of its proper divisors (15746624122).

28540756058 is a wasteful number, since it uses less digits than its factorization.

28540756058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492082032.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 28540756058 in words is "twenty-eight billion, five hundred forty million, seven hundred fifty-six thousand, fifty-eight".