3440312440 has 32 divisors (see below), whose sum is σ = 8196040080. Its totient is φ = 1295176192.

The previous prime is 3440312417. The next prime is 3440312441. The reversal of 3440312440 is 442130443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440312441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528962 + ... + 2530321.

Almost surely, 2^3440312440 is an apocalyptic number.

It is an amenable number.

3440312440 is an abundant number, since it is smaller than the sum of its proper divisors (4755727640).

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

3440312440 is a wasteful number, since it uses less digits than its factorization.

3440312440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059311 (or 5059307 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3440312440 is about 58654.1766628771. The cubic root of 3440312440 is about 1509.6141639517.

Adding to 3440312440 its reverse (442130443), we get a palindrome (3882442883).

The spelling of 3440312440 in words is "three billion, four hundred forty million, three hundred twelve thousand, four hundred forty".