4001945941 has 8 divisors (see below), whose sum is σ = 4577868800. Its totient is φ = 3427077168.

The previous prime is 4001945933. The next prime is 4001945947. The reversal of 4001945941 is 1495491004.

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 4001945941 - 2³ = 4001945933 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 4001945941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001945947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255366 + ... + 270583.

It is an arithmetic number, because the mean of its divisors is an integer number (572233600).

Almost surely, 2^4001945941 is an apocalyptic number.

It is an amenable number.

4001945941 is a deficient number, since it is larger than the sum of its proper divisors (575922859).

4001945941 is a wasteful number, since it uses less digits than its factorization.

4001945941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527043.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 4001945941 is about 63260.9353471793. The cubic root of 4001945941 is about 1587.6584259690.

The spelling of 4001945941 in words is "four billion, one million, nine hundred forty-five thousand, nine hundred forty-one".