440866841 has 4 divisors (see below), whose sum is σ = 455088384. Its totient is φ = 426645300.

The previous prime is 440866837. The next prime is 440866859. The reversal of 440866841 is 148668044.

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.

It is a cyclic number.

It is not a de Polignac number, because 440866841 - 2² = 440866837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440866871) 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, 7110725 + ... + 7110786.

It is an arithmetic number, because the mean of its divisors is an integer number (113772096).

Almost surely, 2^440866841 is an apocalyptic number.

It is an amenable number.

440866841 is a deficient number, since it is larger than the sum of its proper divisors (14221543).

440866841 is a wasteful number, since it uses less digits than its factorization.

440866841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14221542.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 440866841 is about 20996.8293082551. The cubic root of 440866841 is about 761.0896425523.

The spelling of 440866841 in words is "four hundred forty million, eight hundred sixty-six thousand, eight hundred forty-one".