3960442625 has 8 divisors (see below), whose sum is σ = 4942632552. Its totient is φ = 3168354000.

The previous prime is 3960442609. The next prime is 3960442637. The reversal of 3960442625 is 5262440693.

It can be written as a sum of positive squares in 4 ways, for example, as 10445824 + 3949996801 = 3232^2 + 62849^2 .

It is not a de Polignac number, because 3960442625 - 2⁴ = 3960442609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15841646 + ... + 15841895.

It is an arithmetic number, because the mean of its divisors is an integer number (617829069).

Almost surely, 2^3960442625 is an apocalyptic number.

It is an amenable number.

3960442625 is a deficient number, since it is larger than the sum of its proper divisors (982189927).

3960442625 is an equidigital number, since it uses as much as digits as its factorization.

3960442625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683556 (or 31683546 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 3960442625 is about 62932.0476784285. The cubic root of 3960442625 is about 1582.1509220746.

The spelling of 3960442625 in words is "three billion, nine hundred sixty million, four hundred forty-two thousand, six hundred twenty-five".