3940357625 has 16 divisors (see below), whose sum is σ = 4935110544. Its totient is φ = 3141040000.

The previous prime is 3940357601. The next prime is 3940357633. The reversal of 3940357625 is 5267530493.

It can be written as a sum of positive squares in 8 ways, for example, as 152078224 + 3788279401 = 12332^2 + 61549^2 .

It is not a de Polignac number, because 3940357625 - 2¹⁴ = 3940341241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20966 + ... + 91215.

It is an arithmetic number, because the mean of its divisors is an integer number (308444409).

Almost surely, 2^3940357625 is an apocalyptic number.

It is an amenable number.

3940357625 is a deficient number, since it is larger than the sum of its proper divisors (994752919).

3940357625 is a wasteful number, since it uses less digits than its factorization.

3940357625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112477 (or 112467 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 44.

The square root of 3940357625 is about 62772.2679612582. The cubic root of 3940357625 is about 1579.4718131143.

The spelling of 3940357625 in words is "three billion, nine hundred forty million, three hundred fifty-seven thousand, six hundred twenty-five".