28336090720000 has 180 divisors, whose sum is σ = 80776280203696. Its totient is φ = 9715230720000.

The previous prime is 28336090719971. The next prime is 28336090720001. The reversal of 28336090720000 is 2709063382.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28336090720001) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 11530041 + ... + 13770040.

Almost surely, 2^{28336090720000} is an apocalyptic number.

28336090720000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28336090720000 is an abundant number, since it is smaller than the sum of its proper divisors (52440189483696).

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

28336090720000 is an frugal number, since it uses more digits than its factorization.

28336090720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300124 (or 25300095 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

Adding to 28336090720000 its reverse (2709063382), we get a palindrome (28338799783382).

The spelling of 28336090720000 in words is "twenty-eight trillion, three hundred thirty-six billion, ninety million, seven hundred twenty thousand".