3940125841 has 8 divisors (see below), whose sum is σ = 4016027304. Its totient is φ = 3864282240.

The previous prime is 3940125809. The next prime is 3940125863. The reversal of 3940125841 is 1485210493.

3940125841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2518534225 + 1421591616 = 50185^2 + 37704^2 .

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 3940125841 - 2⁵ = 3940125809 is a prime.

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 3940125841.

It is not an unprimeable number, because it can be changed into a prime (3940125041) 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, 138411 + ... + 164431.

It is an arithmetic number, because the mean of its divisors is an integer number (502003413).

Almost surely, 2^3940125841 is an apocalyptic number.

It is an amenable number.

3940125841 is a deficient number, since it is larger than the sum of its proper divisors (75901463).

3940125841 is a wasteful number, since it uses less digits than its factorization.

3940125841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28931.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3940125841 is about 62770.4217048125. The cubic root of 3940125841 is about 1579.4408427043.

The spelling of 3940125841 in words is "three billion, nine hundred forty million, one hundred twenty-five thousand, eight hundred forty-one".