28373336244 has 36 divisors (see below), whose sum is σ = 78241625280. Its totient is φ = 8597980560.

The previous prime is 28373336213. The next prime is 28373336249. The reversal of 28373336244 is 44263337382.

28373336244 is a `hidden beast` number, since 2 + 8 + 3 + 73 + 336 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28373336244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28373336249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35824524 + ... + 35825315.

It is an arithmetic number, because the mean of its divisors is an integer number (2173378480).

Almost surely, 2^28373336244 is an apocalyptic number.

It is an amenable number.

28373336244 is an abundant number, since it is smaller than the sum of its proper divisors (49868289036).

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

28373336244 is a wasteful number, since it uses less digits than its factorization.

28373336244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71649860 (or 71649855 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 45.

The spelling of 28373336244 in words is "twenty-eight billion, three hundred seventy-three million, three hundred thirty-six thousand, two hundred forty-four".