28556544196 has 48 divisors (see below), whose sum is σ = 51047180800. Its totient is φ = 13975898112.

The previous prime is 28556544193. The next prime is 28556544221. The reversal of 28556544196 is 69144565582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28556544193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13513636 + ... + 13515748.

Almost surely, 2^28556544196 is an apocalyptic number.

It is an amenable number.

28556544196 is a deficient number, since it is larger than the sum of its proper divisors (22490636604).

28556544196 is a wasteful number, since it uses less digits than its factorization.

28556544196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 2586 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 55.

The spelling of 28556544196 in words is "twenty-eight billion, five hundred fifty-six million, five hundred forty-four thousand, one hundred ninety-six".