28080502403072 has 104 divisors (see below), whose sum is σ = 64508702261856. Its totient is φ = 11972143742976.

The previous prime is 28080502403047. The next prime is 28080502403143. The reversal of 28080502403072 is 27030420508082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996468 + ... + 8070924.

Almost surely, 2^{28080502403072} 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 28080502403072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32254351130928).

28080502403072 is an abundant number, since it is smaller than the sum of its proper divisors (36428199858784).

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

28080502403072 is an equidigital number, since it uses as much as digits as its factorization.

28080502403072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074681 (or 5074659 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 28080502403072 in words is "twenty-eight trillion, eighty billion, five hundred two million, four hundred three thousand, seventy-two".