3440041393 has 8 divisors (see below), whose sum is σ = 3560769000. Its totient is φ = 3319454208.

The previous prime is 3440041351. The next prime is 3440041399. The reversal of 3440041393 is 3931400443.

It can be written as a sum of positive squares in 4 ways, for example, as 42667024 + 3397374369 = 6532^2 + 58287^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3440041393 - 2²¹ = 3437944241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440041399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16033 + ... + 84481.

It is an arithmetic number, because the mean of its divisors is an integer number (445096125).

Almost surely, 2^3440041393 is an apocalyptic number.

It is an amenable number.

3440041393 is a deficient number, since it is larger than the sum of its proper divisors (120727607).

3440041393 is a wasteful number, since it uses less digits than its factorization.

3440041393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70211.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 3440041393 is about 58651.8660657954. The cubic root of 3440041393 is about 1509.5745176363.

The spelling of 3440041393 in words is "three billion, four hundred forty million, forty-one thousand, three hundred ninety-three".