440221033240 has 32 divisors (see below), whose sum is σ = 993303298080. Its totient is φ = 175589573632.

The previous prime is 440221033237. The next prime is 440221033313. The reversal of 440221033240 is 42330122044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15574444 + ... + 15602683.

It is an arithmetic number, because the mean of its divisors is an integer number (31040728065).

Almost surely, 2^440221033240 is an apocalyptic number.

440221033240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440221033240 is an abundant number, since it is smaller than the sum of its proper divisors (553082264840).

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

440221033240 is a wasteful number, since it uses less digits than its factorization.

440221033240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31177491 (or 31177487 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 440221033240 its reverse (42330122044), we get a palindrome (482551155284).

The spelling of 440221033240 in words is "four hundred forty billion, two hundred twenty-one million, thirty-three thousand, two hundred forty".