7822418223840 has 384 divisors, whose sum is σ = 27645586924032. Its totient is φ = 1842830008320.

The previous prime is 7822418223827. The next prime is 7822418223857. The reversal of 7822418223840 is 483228142287.

It is a super-2 number, since 2×7822418223840² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44639434 + ... + 44814326.

It is an arithmetic number, because the mean of its divisors is an integer number (71993715948).

Almost surely, 2^{7822418223840} 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 7822418223840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13822793462016).

7822418223840 is an abundant number, since it is smaller than the sum of its proper divisors (19823168700192).

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

7822418223840 is a wasteful number, since it uses less digits than its factorization.

7822418223840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175162 (or 175154 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 7822418223840 in words is "seven trillion, eight hundred twenty-two billion, four hundred eighteen million, two hundred twenty-three thousand, eight hundred forty".