7840034226512 has 20 divisors (see below), whose sum is σ = 15360741219060. Its totient is φ = 3875971976448.

The previous prime is 7840034226499. The next prime is 7840034226529. The reversal of 7840034226512 is 2156224300487.

It can be written as a sum of positive squares in 2 ways, for example, as 3280938104896 + 4559096121616 = 1811336^2 + 2135204^2 .

It is a super-2 number, since 2×7840034226512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752819583 + ... + 2752822430.

It is an arithmetic number, because the mean of its divisors is an integer number (768037060953).

Almost surely, 2^{7840034226512} is an apocalyptic number.

It is an amenable number.

7840034226512 is a deficient number, since it is larger than the sum of its proper divisors (7520706992548).

7840034226512 is a wasteful number, since it uses less digits than its factorization.

7840034226512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505642110 (or 5505642104 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

Adding to 7840034226512 its reverse (2156224300487), we get a palindrome (9996258526999).

The spelling of 7840034226512 in words is "seven trillion, eight hundred forty billion, thirty-four million, two hundred twenty-six thousand, five hundred twelve".