7382438285220 has 144 divisors (see below), whose sum is σ = 23066875239408. Its totient is φ = 1909759057920.

The previous prime is 7382438285219. The next prime is 7382438285263. The reversal of 7382438285220 is 225828342837.

7382438285220 is a `hidden beast` number, since 7 + 3 + 82 + 4 + 38 + 2 + 8 + 522 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 349366109184 + 7033072176036 = 591072^2 + 2651994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 599800 + ... + 3889040.

It is an arithmetic number, because the mean of its divisors is an integer number (160186633607).

Almost surely, 2^{7382438285220} 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 7382438285220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11533437619704).

7382438285220 is an abundant number, since it is smaller than the sum of its proper divisors (15684436954188).

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

7382438285220 is a wasteful number, since it uses less digits than its factorization.

7382438285220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289630 (or 3289625 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 7382438285220 in words is "seven trillion, three hundred eighty-two billion, four hundred thirty-eight million, two hundred eighty-five thousand, two hundred twenty".