8108190740 has 72 divisors (see below), whose sum is σ = 19032749568. Its totient is φ = 2897182080.

The previous prime is 8108190721. The next prime is 8108190751. The reversal of 8108190740 is 470918018.

It is a junction number, because it is equal to n+sod(n) for n = 8108190694 and 8108190703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66089 + ... + 143471.

It is an arithmetic number, because the mean of its divisors is an integer number (264343744).

Almost surely, 2^8108190740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8108190740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9516374784).

8108190740 is an abundant number, since it is smaller than the sum of its proper divisors (10924558828).

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

8108190740 is a wasteful number, since it uses less digits than its factorization.

8108190740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77449 (or 77434 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 8108190740 is about 90045.4926134562. The cubic root of 8108190740 is about 2008.9755544548.

The spelling of 8108190740 in words is "eight billion, one hundred eight million, one hundred ninety thousand, seven hundred forty".