10009838826 has 24 divisors (see below), whose sum is σ = 23356291140. Its totient is φ = 3079950336.

The previous prime is 10009838821. The next prime is 10009838827. The reversal of 10009838826 is 62883890001.

It can be written as a sum of positive squares in 2 ways, for example, as 8082189801 + 1927649025 = 89901^2 + 43905^2 .

It is not an unprimeable number, because it can be changed into a prime (10009838821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21388311 + ... + 21388778.

Almost surely, 2^10009838826 is an apocalyptic number.

10009838826 is an abundant number, since it is smaller than the sum of its proper divisors (13346452314).

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

10009838826 is a wasteful number, since it uses less digits than its factorization.

10009838826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42777110 (or 42777107 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 10009838826 in words is "ten billion, nine million, eight hundred thirty-eight thousand, eight hundred twenty-six".