8403445344 has 192 divisors, whose sum is σ = 25642745856. Its totient is φ = 2360185344.

The previous prime is 8403445313. The next prime is 8403445357. The reversal of 8403445344 is 4435443048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11558709 + ... + 11559435.

It is an arithmetic number, because the mean of its divisors is an integer number (133555968).

Almost surely, 2^8403445344 is an apocalyptic number.

8403445344 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 8403445344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12821372928).

8403445344 is an abundant number, since it is smaller than the sum of its proper divisors (17239300512).

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

8403445344 is a wasteful number, since it uses less digits than its factorization.

8403445344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

The square root of 8403445344 is about 91670.3078646516. The cubic root of 8403445344 is about 2033.0705990605.

The spelling of 8403445344 in words is "eight billion, four hundred three million, four hundred forty-five thousand, three hundred forty-four".