3440042313 has 8 divisors (see below), whose sum is σ = 4588391808. Its totient is φ = 2292527184.

The previous prime is 3440042299. The next prime is 3440042323. The reversal of 3440042313 is 3132400443.

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

It is not a de Polignac number, because 3440042313 - 2⁴ = 3440042297 is a prime.

It is a super-2 number, since 2×3440042313² = 23667782230460779938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3440042323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198906 + ... + 215507.

It is an arithmetic number, because the mean of its divisors is an integer number (573548976).

Almost surely, 2^3440042313 is an apocalyptic number.

It is an amenable number.

3440042313 is a deficient number, since it is larger than the sum of its proper divisors (1148349495).

3440042313 is a wasteful number, since it uses less digits than its factorization.

3440042313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417183.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3440042313 is about 58651.8739086826. The cubic root of 3440042313 is about 1509.5746522091.

Adding to 3440042313 its reverse (3132400443), we get a palindrome (6572442756).

The spelling of 3440042313 in words is "three billion, four hundred forty million, forty-two thousand, three hundred thirteen".