4443640041 has 16 divisors (see below), whose sum is σ = 5964336000. Its totient is φ = 2942709888.

The previous prime is 4443640001. The next prime is 4443640063. The reversal of 4443640041 is 1400463444.

It is not a de Polignac number, because 4443640041 - 2¹¹ = 4443637993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4443639990 and 4443640008.

It is not an unprimeable number, because it can be changed into a prime (4443640001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455885 + ... + 1458933.

It is an arithmetic number, because the mean of its divisors is an integer number (372771000).

Almost surely, 2^4443640041 is an apocalyptic number.

It is an amenable number.

4443640041 is a deficient number, since it is larger than the sum of its proper divisors (1520695959).

4443640041 is a wasteful number, since it uses less digits than its factorization.

4443640041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 4443640041 is about 66660.6333678281. The cubic root of 4443640041 is about 1644.0421854278.

The spelling of 4443640041 in words is "four billion, four hundred forty-three million, six hundred forty thousand, forty-one".