440420241 has 16 divisors (see below), whose sum is σ = 625218048. Its totient is φ = 274809600.

The previous prime is 440420231. The next prime is 440420251. The reversal of 440420241 is 142024044.

It is an interprime number because it is at equal distance from previous prime (440420231) and next prime (440420251).

It is not a de Polignac number, because 440420241 - 2⁹ = 440419729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440420231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14625 + ... + 33086.

It is an arithmetic number, because the mean of its divisors is an integer number (39076128).

Almost surely, 2^440420241 is an apocalyptic number.

It is an amenable number.

440420241 is a deficient number, since it is larger than the sum of its proper divisors (184797807).

440420241 is a wasteful number, since it uses less digits than its factorization.

440420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47912.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 440420241 is about 20986.1916745273. The cubic root of 440420241 is about 760.8325600339.

Adding to 440420241 its reverse (142024044), we get a palindrome (582444285).

The spelling of 440420241 in words is "four hundred forty million, four hundred twenty thousand, two hundred forty-one".