8268913044 has 144 divisors (see below), whose sum is σ = 24304250880. Its totient is φ = 2321605440.

The previous prime is 8268913039. The next prime is 8268913109. The reversal of 8268913044 is 4403198628.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7496197 + ... + 7497299.

It is an arithmetic number, because the mean of its divisors is an integer number (168779520).

Almost surely, 2^8268913044 is an apocalyptic number.

8268913044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8268913044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12152125440).

8268913044 is an abundant number, since it is smaller than the sum of its proper divisors (16035337836).

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

8268913044 is a wasteful number, since it uses less digits than its factorization.

8268913044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 8268913044 is about 90933.5639024447. The cubic root of 8268913044 is about 2022.1629157242.

The spelling of 8268913044 in words is "eight billion, two hundred sixty-eight million, nine hundred thirteen thousand, forty-four".