8220802640028 has 192 divisors, whose sum is σ = 22298687147520. Its totient is φ = 2329600204800.

The previous prime is 8220802640009. The next prime is 8220802640051. The reversal of 8220802640028 is 8200462080228.

It is a congruent number.

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, 530606250 + ... + 530621742.

It is an arithmetic number, because the mean of its divisors is an integer number (116138995560).

Almost surely, 2^{8220802640028} 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 8220802640028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11149343573760).

8220802640028 is an abundant number, since it is smaller than the sum of its proper divisors (14077884507492).

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

8220802640028 is a wasteful number, since it uses less digits than its factorization.

8220802640028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17028 (or 17026 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 8220802640028 in words is "eight trillion, two hundred twenty billion, eight hundred two million, six hundred forty thousand, twenty-eight".