440224240 has 40 divisors (see below), whose sum is σ = 1026809280. Its totient is φ = 175524096.

The previous prime is 440224223. The next prime is 440224271. The reversal of 440224240 is 42422044.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16681 + ... + 34039.

It is an arithmetic number, because the mean of its divisors is an integer number (25670232).

Almost surely, 2^440224240 is an apocalyptic number.

440224240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440224240 is an abundant number, since it is smaller than the sum of its proper divisors (586585040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440224240 is a wasteful number, since it uses less digits than its factorization.

440224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689 (or 17683 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 440224240 is about 20981.5213938361. The cubic root of 440224240 is about 760.7196783996.

Adding to 440224240 its reverse (42422044), we get a palindrome (482646284).

The spelling of 440224240 in words is "four hundred forty million, two hundred twenty-four thousand, two hundred forty".