71094495040 has 112 divisors (see below), whose sum is σ = 180562526352. Its totient is φ = 26569342976.

The previous prime is 71094495011. The next prime is 71094495067. The reversal of 71094495040 is 4059449017.

It can be written as a sum of positive squares in 8 ways, for example, as 12835983616 + 58258511424 = 113296^2 + 241368^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697584 + ... + 792976.

Almost surely, 2^71094495040 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 71094495040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90281263176).

71094495040 is an abundant number, since it is smaller than the sum of its proper divisors (109468031312).

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

71094495040 is a wasteful number, since it uses less digits than its factorization.

71094495040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95564 (or 95554 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 71094495040 in words is "seventy-one billion, ninety-four million, four hundred ninety-five thousand, forty".