440200641 has 16 divisors (see below), whose sum is σ = 602034048. Its totient is φ = 285936000.

The previous prime is 440200633. The next prime is 440200687. The reversal of 440200641 is 146002044.

It is not a de Polignac number, because 440200641 - 2³ = 440200633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440200441) 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, 117091 + ... + 120791.

It is an arithmetic number, because the mean of its divisors is an integer number (37627128).

Almost surely, 2^440200641 is an apocalyptic number.

440200641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

440200641 is a deficient number, since it is larger than the sum of its proper divisors (161833407).

440200641 is a wasteful number, since it uses less digits than its factorization.

440200641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 440200641 is about 20980.9590104933. The cubic root of 440200641 is about 760.7060849149.

Adding to 440200641 its reverse (146002044), we get a palindrome (586202685).

The spelling of 440200641 in words is "four hundred forty million, two hundred thousand, six hundred forty-one".