826811422642 has 16 divisors (see below), whose sum is σ = 1273818978432. Its totient is φ = 402206543280.

The previous prime is 826811422627. The next prime is 826811422649. The reversal of 826811422642 is 246224118628.

It is a super-2 number, since 2×826811422642² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 826811422592 and 826811422601.

It is not an unprimeable number, because it can be changed into a prime (826811422649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 814753 + ... + 1522315.

It is an arithmetic number, because the mean of its divisors is an integer number (79613686152).

Almost surely, 2^826811422642 is an apocalyptic number.

826811422642 is a deficient number, since it is larger than the sum of its proper divisors (447007555790).

826811422642 is a wasteful number, since it uses less digits than its factorization.

826811422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723393.

The product of its digits is 589824, while the sum is 46.

The spelling of 826811422642 in words is "eight hundred twenty-six billion, eight hundred eleven million, four hundred twenty-two thousand, six hundred forty-two".