8106325440 has 112 divisors (see below), whose sum is σ = 25833384960. Its totient is φ = 2153640960.

The previous prime is 8106325417. The next prime is 8106325453. The reversal of 8106325440 is 445236018.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244581 + ... + 275739.

Almost surely, 2^8106325440 is an apocalyptic number.

8106325440 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 8106325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12916692480).

8106325440 is an abundant number, since it is smaller than the sum of its proper divisors (17727059520).

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

8106325440 is a wasteful number, since it uses less digits than its factorization.

8106325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31450 (or 31440 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 8106325440 is about 90035.1344753813. The cubic root of 8106325440 is about 2008.8214868122.

The spelling of 8106325440 in words is "eight billion, one hundred six million, three hundred twenty-five thousand, four hundred forty".