3440440412 has 24 divisors (see below), whose sum is σ = 6197146704. Its totient is φ = 1670032512.

The previous prime is 3440440411. The next prime is 3440440417. The reversal of 3440440412 is 2140440443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440440411) 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, 42203 + ... + 93069.

It is an arithmetic number, because the mean of its divisors is an integer number (258214446).

Almost surely, 2^3440440412 is an apocalyptic number.

It is an amenable number.

3440440412 is a deficient number, since it is larger than the sum of its proper divisors (2756706292).

3440440412 is a wasteful number, since it uses less digits than its factorization.

3440440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51365 (or 51363 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 3440440412 is about 58655.2675554378. The cubic root of 3440440412 is about 1509.6328818203.

Adding to 3440440412 its reverse (2140440443), we get a palindrome (5580880855).

The spelling of 3440440412 in words is "three billion, four hundred forty million, four hundred forty thousand, four hundred twelve".