3440628049 has 4 divisors (see below), whose sum is σ = 3458093364. Its totient is φ = 3423162736.

The previous prime is 3440628013. The next prime is 3440628067. The reversal of 3440628049 is 9408260443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3363188049 + 77440000 = 57993^2 + 8800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440628049 - 2⁷ = 3440627921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440628649) 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, 8732362 + ... + 8732755.

It is an arithmetic number, because the mean of its divisors is an integer number (864523341).

Almost surely, 2^3440628049 is an apocalyptic number.

It is an amenable number.

3440628049 is a deficient number, since it is larger than the sum of its proper divisors (17465315).

3440628049 is a wasteful number, since it uses less digits than its factorization.

3440628049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465314.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 3440628049 is about 58656.8670233929. The cubic root of 3440628049 is about 1509.6603257714.

The spelling of 3440628049 in words is "three billion, four hundred forty million, six hundred twenty-eight thousand, forty-nine".