8039964340 has 12 divisors (see below), whose sum is σ = 16883925156. Its totient is φ = 3215985728.

The previous prime is 8039964299. The next prime is 8039964353. The reversal of 8039964340 is 434699308.

It can be written as a sum of positive squares in 2 ways, for example, as 6073396624 + 1966567716 = 77932^2 + 44346^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200999089 + ... + 200999128.

It is an arithmetic number, because the mean of its divisors is an integer number (1406993763).

Almost surely, 2^8039964340 is an apocalyptic number.

It is an amenable number.

8039964340 is an abundant number, since it is smaller than the sum of its proper divisors (8843960816).

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

8039964340 is a wasteful number, since it uses less digits than its factorization.

8039964340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401998226 (or 401998224 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 8039964340 is about 89665.8482366614. The cubic root of 8039964340 is about 2003.3248313520.

The spelling of 8039964340 in words is "eight billion, thirty-nine million, nine hundred sixty-four thousand, three hundred forty".