8180040912 has 20 divisors (see below), whose sum is σ = 21131772480. Its totient is φ = 2726680288.

The previous prime is 8180040907. The next prime is 8180040941. The reversal of 8180040912 is 2190400818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85208712 + ... + 85208807.

It is an arithmetic number, because the mean of its divisors is an integer number (1056588624).

Almost surely, 2^8180040912 is an apocalyptic number.

It is an amenable number.

8180040912 is an abundant number, since it is smaller than the sum of its proper divisors (12951731568).

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

8180040912 is a wasteful number, since it uses less digits than its factorization.

8180040912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170417530 (or 170417524 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 8180040912 is about 90443.5786111983. The cubic root of 8180040912 is about 2014.8922446261.

The spelling of 8180040912 in words is "eight billion, one hundred eighty million, forty thousand, nine hundred twelve".