28644080435 has 8 divisors (see below), whose sum is σ = 34375617216. Its totient is φ = 22913450560.

The previous prime is 28644080417. The next prime is 28644080459. The reversal of 28644080435 is 53408044682.

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

It is not a de Polignac number, because 28644080435 - 2³⁰ = 27570338611 is a prime.

It is a Duffinian number.

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, 155186 + ... + 285255.

It is an arithmetic number, because the mean of its divisors is an integer number (4296952152).

Almost surely, 2^28644080435 is an apocalyptic number.

28644080435 is a deficient number, since it is larger than the sum of its proper divisors (5731536781).

28644080435 is a wasteful number, since it uses less digits than its factorization.

28644080435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453453.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 28644080435 in words is "twenty-eight billion, six hundred forty-four million, eighty thousand, four hundred thirty-five".