7116571840 has 168 divisors, whose sum is σ = 19920569760. Its totient is φ = 2414297088.

The previous prime is 7116571829. The next prime is 7116571859. The reversal of 7116571840 is 481756117.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 7116571793 and 7116571802.

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, 1518621 + ... + 1523299.

It is an arithmetic number, because the mean of its divisors is an integer number (118574820).

Almost surely, 2^7116571840 is an apocalyptic number.

7116571840 is a gapful number since it is divisible by the number (70) 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 7116571840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9960284880).

7116571840 is an abundant number, since it is smaller than the sum of its proper divisors (12803997920).

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

7116571840 is a wasteful number, since it uses less digits than its factorization.

7116571840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 7116571840 is about 84359.7761969530. The cubic root of 7116571840 is about 1923.4915345008.

The spelling of 7116571840 in words is "seven billion, one hundred sixteen million, five hundred seventy-one thousand, eight hundred forty".