71580040848 has 100 divisors (see below), whose sum is σ = 207510421360. Its totient is φ = 23821200576.

The previous prime is 71580040843. The next prime is 71580040853. The reversal of 71580040848 is 84804008517.

It is an interprime number because it is at equal distance from previous prime (71580040843) and next prime (71580040853).

It is not an unprimeable number, because it can be changed into a prime (71580040843) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 757611 + ... + 846837.

Almost surely, 2^71580040848 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 71580040848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103755210680).

71580040848 is an abundant number, since it is smaller than the sum of its proper divisors (135930380512).

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

71580040848 is a wasteful number, since it uses less digits than its factorization.

71580040848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89866 (or 89851 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 71580040848 in words is "seventy-one billion, five hundred eighty million, forty thousand, eight hundred forty-eight".