28556544194 has 8 divisors (see below), whose sum is σ = 44697199680. Its totient is φ = 13657477636.

The previous prime is 28556544193. The next prime is 28556544221. The reversal of 28556544194 is 49144565582.

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

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 3 ways as a sum of consecutive naturals, for example, 310397174 + ... + 310397265.

It is an arithmetic number, because the mean of its divisors is an integer number (5587149960).

Almost surely, 2^28556544194 is an apocalyptic number.

28556544194 is a deficient number, since it is larger than the sum of its proper divisors (16140655486).

28556544194 is a wasteful number, since it uses less digits than its factorization.

28556544194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620794464.

The product of its digits is 6912000, while the sum is 53.

The spelling of 28556544194 in words is "twenty-eight billion, five hundred fifty-six million, five hundred forty-four thousand, one hundred ninety-four".