28052898720 has 384 divisors, whose sum is σ = 111256104960. Its totient is φ = 5771796480.

The previous prime is 28052898719. The next prime is 28052898739. The reversal of 28052898720 is 2789825082.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3803196 + ... + 3810564.

It is an arithmetic number, because the mean of its divisors is an integer number (289729440).

Almost surely, 2^28052898720 is an apocalyptic number.

28052898720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28052898720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55628052480).

28052898720 is an abundant number, since it is smaller than the sum of its proper divisors (83203206240).

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

28052898720 is a wasteful number, since it uses less digits than its factorization.

28052898720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508 (or 7500 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 28052898720 in words is "twenty-eight billion, fifty-two million, eight hundred ninety-eight thousand, seven hundred twenty".