3440625642425 has 12 divisors (see below), whose sum is σ = 4269605493756. Its totient is φ = 2750416838400.

The previous prime is 3440625642361. The next prime is 3440625642437. The reversal of 3440625642425 is 5242465260443.

It can be written as a sum of positive squares in 6 ways, for example, as 11032771369 + 3429592871056 = 105037^2 + 1851916^2 .

It is not a de Polignac number, because 3440625642425 - 2⁶ = 3440625642361 is a prime.

It is a super-2 number, since 2×3440625642425² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3440625642425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52058204 + ... + 52124253.

It is an arithmetic number, because the mean of its divisors is an integer number (355800457813).

Almost surely, 2^{3440625642425} is an apocalyptic number.

It is an amenable number.

3440625642425 is a deficient number, since it is larger than the sum of its proper divisors (828979851331).

3440625642425 is a wasteful number, since it uses less digits than its factorization.

3440625642425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104183788 (or 104183783 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 3440625642425 in words is "three trillion, four hundred forty billion, six hundred twenty-five million, six hundred forty-two thousand, four hundred twenty-five".