3822353788820 has 72 divisors (see below), whose sum is σ = 9442379799720. Its totient is φ = 1295796311040.

The previous prime is 3822353788763. The next prime is 3822353788849. The reversal of 3822353788820 is 288873532283.

It can be written as a sum of positive squares in 4 ways, for example, as 21366838276 + 3800986950544 = 146174^2 + 1949612^2 .

It is a super-2 number, since 2×3822353788820² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3822353788820.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21824921 + ... + 21999360.

It is an arithmetic number, because the mean of its divisors is an integer number (131144163885).

Almost surely, 2^{3822353788820} is an apocalyptic number.

It is an amenable number.

3822353788820 is an abundant number, since it is smaller than the sum of its proper divisors (5620026010900).

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

3822353788820 is a wasteful number, since it uses less digits than its factorization.

3822353788820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43824393 (or 43824384 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 3822353788820 in words is "three trillion, eight hundred twenty-two billion, three hundred fifty-three million, seven hundred eighty-eight thousand, eight hundred twenty".