7122578482944 has 288 divisors, whose sum is σ = 21749703628800. Its totient is φ = 2296808939520.

The previous prime is 7122578482897. The next prime is 7122578482949. The reversal of 7122578482944 is 4492848752217.

7122578482944 is a `hidden beast` number, since 7 + 12 + 2 + 57 + 8 + 482 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×7122578482944² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122578482949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1218990487 + ... + 1218996329.

Almost surely, 2^{7122578482944} 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 7122578482944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10874851814400).

7122578482944 is an abundant number, since it is smaller than the sum of its proper divisors (14627125145856).

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

7122578482944 is a wasteful number, since it uses less digits than its factorization.

7122578482944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588 (or 11568 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 63.

The spelling of 7122578482944 in words is "seven trillion, one hundred twenty-two billion, five hundred seventy-eight million, four hundred eighty-two thousand, nine hundred forty-four".