8133418340 has 24 divisors (see below), whose sum is σ = 17085401592. Its totient is φ = 3252372480.

The previous prime is 8133418333. The next prime is 8133418357. The reversal of 8133418340 is 438143318.

It can be written as a sum of positive squares in 4 ways, for example, as 1538679076 + 6594739264 = 39226^2 + 81208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8133418340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6722 + ... + 127718.

It is an arithmetic number, because the mean of its divisors is an integer number (711891733).

Almost surely, 2^8133418340 is an apocalyptic number.

It is an amenable number.

8133418340 is an abundant number, since it is smaller than the sum of its proper divisors (8951983252).

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

8133418340 is a wasteful number, since it uses less digits than its factorization.

8133418340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124367 (or 124365 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8133418340 is about 90185.4663457477. The cubic root of 8133418340 is about 2011.0569542331.

The spelling of 8133418340 in words is "eight billion, one hundred thirty-three million, four hundred eighteen thousand, three hundred forty".