7831094222040 has 384 divisors, whose sum is σ = 25259582557440. Its totient is φ = 1941006025728.

The previous prime is 7831094222023. The next prime is 7831094222051. The reversal of 7831094222040 is 402224901387.

It is a super-2 number, since 2×7831094222040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7831094221983 and 7831094222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 537731799 + ... + 537746361.

It is an arithmetic number, because the mean of its divisors is an integer number (65780162910).

Almost surely, 2^{7831094222040} 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 7831094222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12629791278720).

7831094222040 is an abundant number, since it is smaller than the sum of its proper divisors (17428488335400).

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

7831094222040 is a wasteful number, since it uses less digits than its factorization.

7831094222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14863 (or 14836 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 7831094222040 in words is "seven trillion, eight hundred thirty-one billion, ninety-four million, two hundred twenty-two thousand, forty".