3440443431 has 16 divisors (see below), whose sum is σ = 4877024256. Its totient is φ = 2152509216.

The previous prime is 3440443429. The next prime is 3440443543. The reversal of 3440443431 is 1343440443.

It is not a de Polignac number, because 3440443431 - 2¹ = 3440443429 is a prime.

It is a super-3 number, since 3×3440443431³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440443421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466735 + ... + 474048.

It is an arithmetic number, because the mean of its divisors is an integer number (304814016).

Almost surely, 2^3440443431 is an apocalyptic number.

3440443431 is a deficient number, since it is larger than the sum of its proper divisors (1436580825).

3440443431 is a wasteful number, since it uses less digits than its factorization.

3440443431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940862.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 3440443431 is about 58655.2932905463. The cubic root of 3440443431 is about 1509.6333233898.

Adding to 3440443431 its reverse (1343440443), we get a palindrome (4783883874).

The spelling of 3440443431 in words is "three billion, four hundred forty million, four hundred forty-three thousand, four hundred thirty-one".