28022712238080 has 2176 divisors, whose sum is σ = 120601761546240. Its totient is φ = 6035456655360.

The previous prime is 28022712238033. The next prime is 28022712238151. The reversal of 28022712238080 is 8083221722082.

28022712238080 is a `hidden beast` number, since 2 + 8 + 0 + 2 + 271 + 223 + 80 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146715770785 + ... + 146715770975.

Almost surely, 2^{28022712238080} is an apocalyptic number.

28022712238080 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 28022712238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60300880773120).

28022712238080 is an abundant number, since it is smaller than the sum of its proper divisors (92579049308160).

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

28022712238080 is a wasteful number, since it uses less digits than its factorization.

28022712238080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 28022712238080 in words is "twenty-eight trillion, twenty-two billion, seven hundred twelve million, two hundred thirty-eight thousand, eighty".