3440645045 has 8 divisors (see below), whose sum is σ = 4371643224. Its totient is φ = 2590603264.

The previous prime is 3440645041. The next prime is 3440645071. The reversal of 3440645045 is 5405460443.

It can be written as a sum of positive squares in 4 ways, for example, as 836482084 + 2604162961 = 28922^2 + 51031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3440645045 - 2² = 3440645041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3440644996 and 3440645014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440645041) 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, 20239004 + ... + 20239173.

It is an arithmetic number, because the mean of its divisors is an integer number (546455403).

Almost surely, 2^3440645045 is an apocalyptic number.

It is an amenable number.

3440645045 is a deficient number, since it is larger than the sum of its proper divisors (930998179).

3440645045 is a wasteful number, since it uses less digits than its factorization.

3440645045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40478199.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 3440645045 is about 58657.0118996868. The cubic root of 3440645045 is about 1509.6628115719.

The spelling of 3440645045 in words is "three billion, four hundred forty million, six hundred forty-five thousand, forty-five".