28201182730192 has 80 divisors (see below), whose sum is σ = 58430381086800. Its totient is φ = 13138921267200.

The previous prime is 28201182730177. The next prime is 28201182730223. The reversal of 28201182730192 is 29103728110282.

It can be written as a sum of positive squares in 8 ways, for example, as 12712676154256 + 15488506575936 = 3565484^2 + 3935544^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780983434 + ... + 781019542.

It is an arithmetic number, because the mean of its divisors is an integer number (730379763585).

Almost surely, 2^{28201182730192} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28201182730192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29215190543400).

28201182730192 is an abundant number, since it is smaller than the sum of its proper divisors (30229198356608).

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

28201182730192 is a wasteful number, since it uses less digits than its factorization.

28201182730192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64664 (or 64658 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 28201182730192 in words is "twenty-eight trillion, two hundred one billion, one hundred eighty-two million, seven hundred thirty thousand, one hundred ninety-two".