3940370441 has 4 divisors (see below), whose sum is σ = 4503280512. Its totient is φ = 3377460372.

The previous prime is 3940370431. The next prime is 3940370479. The reversal of 3940370441 is 1440730493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1440730493 = 2129 ⋅676717.

It is a cyclic number.

It is not a de Polignac number, because 3940370441 - 2¹⁰ = 3940369417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3940370431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281455025 + ... + 281455038.

It is an arithmetic number, because the mean of its divisors is an integer number (1125820128).

Almost surely, 2^3940370441 is an apocalyptic number.

It is an amenable number.

3940370441 is a deficient number, since it is larger than the sum of its proper divisors (562910071).

3940370441 is an equidigital number, since it uses as much as digits as its factorization.

3940370441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562910070.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 3940370441 is about 62772.3700444710. The cubic root of 3940370441 is about 1579.4735255214.

The spelling of 3940370441 in words is "three billion, nine hundred forty million, three hundred seventy thousand, four hundred forty-one".