3340721338 has 8 divisors (see below), whose sum is σ = 5079727188. Its totient is φ = 1647478944.

The previous prime is 3340721297. The next prime is 3340721383. The reversal of 3340721338 is 8331270433.

It can be written as a sum of positive squares in 2 ways, for example, as 3326636329 + 14085009 = 57677^2 + 3753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3340721338² = 22320838116337020488, which contains 22 as substring.

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, 11440681 + ... + 11440972.

Almost surely, 2^3340721338 is an apocalyptic number.

3340721338 is a deficient number, since it is larger than the sum of its proper divisors (1739005850).

3340721338 is a wasteful number, since it uses less digits than its factorization.

3340721338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22881728.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 3340721338 is about 57798.9735029957. The cubic root of 3340721338 is about 1494.9043891383.

It can be divided in two parts, 33407 and 21338, that added together give a palindrome (54745).

The spelling of 3340721338 in words is "three billion, three hundred forty million, seven hundred twenty-one thousand, three hundred thirty-eight".