3440155252 has 12 divisors (see below), whose sum is σ = 6030292996. Its totient is φ = 1717214400.

The previous prime is 3440155211. The next prime is 3440155259. The reversal of 3440155252 is 2525510443.

It can be written as a sum of positive squares in 2 ways, for example, as 1324523236 + 2115632016 = 36394^2 + 45996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440155259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713103 + ... + 717910.

Almost surely, 2^3440155252 is an apocalyptic number.

It is an amenable number.

3440155252 is a deficient number, since it is larger than the sum of its proper divisors (2590137744).

3440155252 is a wasteful number, since it uses less digits than its factorization.

3440155252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431618 (or 1431616 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3440155252 is about 58652.8366918430. The cubic root of 3440155252 is about 1509.5911721596.

Adding to 3440155252 its reverse (2525510443), we get a palindrome (5965665695).

The spelling of 3440155252 in words is "three billion, four hundred forty million, one hundred fifty-five thousand, two hundred fifty-two".