8023440726 has 96 divisors (see below), whose sum is σ = 21047420160. Its totient is φ = 2157824448.

The previous prime is 8023440721. The next prime is 8023440743. The reversal of 8023440726 is 6270443208.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8023440721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365185 + ... + 386531.

It is an arithmetic number, because the mean of its divisors is an integer number (219243960).

Almost surely, 2^8023440726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8023440726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10523710080).

8023440726 is an abundant number, since it is smaller than the sum of its proper divisors (13023979434).

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

8023440726 is a wasteful number, since it uses less digits than its factorization.

8023440726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538 (or 21535 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 8023440726 is about 89573.6608942607. The cubic root of 8023440726 is about 2001.9514890592.

The spelling of 8023440726 in words is "eight billion, twenty-three million, four hundred forty thousand, seven hundred twenty-six".