6622752179840 has 128 divisors (see below), whose sum is σ = 15873844345920. Its totient is φ = 2642193285120.

The previous prime is 6622752179831. The next prime is 6622752179891. The reversal of 6622752179840 is 489712572266.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 6622752179840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544583360 + ... + 544595520.

Almost surely, 2^{6622752179840} 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 6622752179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7936922172960).

6622752179840 is an abundant number, since it is smaller than the sum of its proper divisors (9251092166080).

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

6622752179840 is a wasteful number, since it uses less digits than its factorization.

6622752179840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14330 (or 14318 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 6622752179840 in words is "six trillion, six hundred twenty-two billion, seven hundred fifty-two million, one hundred seventy-nine thousand, eight hundred forty".