28844242242 has 8 divisors (see below), whose sum is σ = 57688484496. Its totient is φ = 9614747412.

The previous prime is 28844242241. The next prime is 28844242249. The reversal of 28844242242 is 24224244882.

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

28844242242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28844242194 and 28844242203.

It is not an unprimeable number, because it can be changed into a prime (28844242241) 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, 2403686848 + ... + 2403686859.

It is an arithmetic number, because the mean of its divisors is an integer number (7211060562).

Almost surely, 2^28844242242 is an apocalyptic number.

28844242242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28844242242 is a wasteful number, since it uses less digits than its factorization.

28844242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807373712.

The product of its digits is 524288, while the sum is 42.

The spelling of 28844242242 in words is "twenty-eight billion, eight hundred forty-four million, two hundred forty-two thousand, two hundred forty-two".