3440663125 has 10 divisors (see below), whose sum is σ = 4299453422. Its totient is φ = 2752530000.

The previous prime is 3440663077. The next prime is 3440663131. The reversal of 3440663125 is 5213660443.

It can be written as a sum of positive squares in 5 ways, for example, as 2100663889 + 1339999236 = 45833^2 + 36606^2 .

It is not a de Polignac number, because 3440663125 - 2²⁵ = 3407108693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2751906 + ... + 2753155.

Almost surely, 2^3440663125 is an apocalyptic number.

It is an amenable number.

3440663125 is a deficient number, since it is larger than the sum of its proper divisors (858790297).

3440663125 is an frugal number, since it uses more digits than its factorization.

3440663125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505081 (or 5505066 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 3440663125 is about 58657.1660157563. The cubic root of 3440663125 is about 1509.6654559070.

The spelling of 3440663125 in words is "three billion, four hundred forty million, six hundred sixty-three thousand, one hundred twenty-five".