7021828862880 has 768 divisors, whose sum is σ = 26117689393152. Its totient is φ = 1569300480000.

The previous prime is 7021828862813. The next prime is 7021828862891. The reversal of 7021828862880 is 882688281207.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 1088483655 + ... + 1088490105.

It is an arithmetic number, because the mean of its divisors is an integer number (34007408064).

Almost surely, 2^{7021828862880} 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 7021828862880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13058844696576).

7021828862880 is an abundant number, since it is smaller than the sum of its proper divisors (19095860530272).

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

7021828862880 is a wasteful number, since it uses less digits than its factorization.

7021828862880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 60.

The spelling of 7021828862880 in words is "seven trillion, twenty-one billion, eight hundred twenty-eight million, eight hundred sixty-two thousand, eight hundred eighty".