8340770438 has 32 divisors (see below), whose sum is σ = 16798199040. Its totient is φ = 2999676960.

The previous prime is 8340770413. The next prime is 8340770453.

8340770438 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081108 + ... + 2085111.

It is an arithmetic number, because the mean of its divisors is an integer number (524943720).

Almost surely, 2^8340770438 is an apocalyptic number.

8340770438 is an abundant number, since it is smaller than the sum of its proper divisors (8457428602).

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

8340770438 is a wasteful number, since it uses less digits than its factorization.

8340770438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166252.

The product of its (nonzero) digits is 451584, while the sum is 44.

The square root of 8340770438 is about 91327.8185330187. The cubic root of 8340770438 is about 2028.0036054994.

The spelling of 8340770438 in words is "eight billion, three hundred forty million, seven hundred seventy thousand, four hundred thirty-eight".