8019710840 has 64 divisors (see below), whose sum is σ = 18944755200. Its totient is φ = 3049529472.

The previous prime is 8019710827. The next prime is 8019710899. The reversal of 8019710840 is 480179108.

It is a junction number, because it is equal to n+sod(n) for n = 8019710794 and 8019710803.

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, 123221 + ... + 176699.

It is an arithmetic number, because the mean of its divisors is an integer number (296011800).

Almost surely, 2^8019710840 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 8019710840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9472377600).

8019710840 is an abundant number, since it is smaller than the sum of its proper divisors (10925044360).

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

8019710840 is a wasteful number, since it uses less digits than its factorization.

8019710840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53676 (or 53672 counting only the distinct ones).

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

The square root of 8019710840 is about 89552.8382576454. The cubic root of 8019710840 is about 2001.6412228254.

Adding to 8019710840 its reverse (480179108), we get a palindrome (8499889948).

The spelling of 8019710840 in words is "eight billion, nineteen million, seven hundred ten thousand, eight hundred forty".