28546866044 has 12 divisors (see below), whose sum is σ = 50193780168. Its totient is φ = 14205786000.

The previous prime is 28546865999. The next prime is 28546866059. The reversal of 28546866044 is 44066864582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16910807 + ... + 16912494.

It is an arithmetic number, because the mean of its divisors is an integer number (4182815014).

Almost surely, 2^28546866044 is an apocalyptic number.

It is an amenable number.

28546866044 is a deficient number, since it is larger than the sum of its proper divisors (21646914124).

28546866044 is a wasteful number, since it uses less digits than its factorization.

28546866044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33823516 (or 33823514 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 28546866044 in words is "twenty-eight billion, five hundred forty-six million, eight hundred sixty-six thousand, forty-four".