8326371840 has 320 divisors, whose sum is σ = 28180196352. Its totient is φ = 2093875200.

The previous prime is 8326371829. The next prime is 8326371847. The reversal of 8326371840 is 481736238.

It is a tau number, because it is divible by the number of its divisors (320).

It is a junction number, because it is equal to n+sod(n) for n = 8326371792 and 8326371801.

It is not an unprimeable number, because it can be changed into a prime (8326371847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9760854 + ... + 9761706.

Almost surely, 2^8326371840 is an apocalyptic number.

8326371840 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 8326371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14090098176).

8326371840 is an abundant number, since it is smaller than the sum of its proper divisors (19853824512).

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

8326371840 is a wasteful number, since it uses less digits than its factorization.

8326371840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 8326371840 is about 91248.9552816908. The cubic root of 8326371840 is about 2026.8359584653.

The spelling of 8326371840 in words is "eight billion, three hundred twenty-six million, three hundred seventy-one thousand, eight hundred forty".