28141344198 has 24 divisors (see below), whose sum is σ = 66515904936. Its totient is φ = 8527680000.

The previous prime is 28141344167. The next prime is 28141344229. The reversal of 28141344198 is 89144314182.

28141344198 is a `hidden beast` number, since 2 + 8 + 1 + 413 + 44 + 198 = 666.

It is an interprime number because it is at equal distance from previous prime (28141344167) and next prime (28141344229).

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 11 ways as a sum of consecutive naturals, for example, 71063803 + ... + 71064198.

It is an arithmetic number, because the mean of its divisors is an integer number (2771496039).

Almost surely, 2^28141344198 is an apocalyptic number.

28141344198 is an abundant number, since it is smaller than the sum of its proper divisors (38374560738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28141344198 is a wasteful number, since it uses less digits than its factorization.

28141344198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142128020 (or 142128017 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 28141344198 in words is "twenty-eight billion, one hundred forty-one million, three hundred forty-four thousand, one hundred ninety-eight".