10239871026 has 64 divisors (see below), whose sum is σ = 25644948480. Its totient is φ = 2648064960.

The previous prime is 10239870983. The next prime is 10239871063. The reversal of 10239871026 is 62017893201.

It is a super-2 number, since 2×10239871026² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57405 + ... + 154191.

It is an arithmetic number, because the mean of its divisors is an integer number (400702320).

Almost surely, 2^10239871026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10239871026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12822474240).

10239871026 is an abundant number, since it is smaller than the sum of its proper divisors (15405077454).

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

10239871026 is a wasteful number, since it uses less digits than its factorization.

10239871026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97039.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 10239871026 in words is "ten billion, two hundred thirty-nine million, eight hundred seventy-one thousand, twenty-six".