8334704640 has 256 divisors, whose sum is σ = 27581322240. Its totient is φ = 2146959360.

The previous prime is 8334704633. The next prime is 8334704647. The reversal of 8334704640 is 464074338.

It is an interprime number because it is at equal distance from previous prime (8334704633) and next prime (8334704647).

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8334704647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15236847 + ... + 15237393.

It is an arithmetic number, because the mean of its divisors is an integer number (107739540).

Almost surely, 2^8334704640 is an apocalyptic number.

8334704640 is a gapful number since it is divisible by the number (80) 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 8334704640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13790661120).

8334704640 is an abundant number, since it is smaller than the sum of its proper divisors (19246617600).

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

8334704640 is an equidigital number, since it uses as much as digits as its factorization.

8334704640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The square root of 8334704640 is about 91294.6035645043. The cubic root of 8334704640 is about 2027.5118666136.

Adding to 8334704640 its reverse (464074338), we get a palindrome (8798778978).

The spelling of 8334704640 in words is "eight billion, three hundred thirty-four million, seven hundred four thousand, six hundred forty".