440464002220 has 48 divisors (see below), whose sum is σ = 1010608589088. Its totient is φ = 159923394560.

The previous prime is 440464002191. The next prime is 440464002283. The reversal of 440464002220 is 22200464044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389349 + ... + 1676668.

It is an arithmetic number, because the mean of its divisors is an integer number (21054345606).

Almost surely, 2^440464002220 is an apocalyptic number.

It is an amenable number.

440464002220 is an abundant number, since it is smaller than the sum of its proper divisors (570144586868).

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

440464002220 is a wasteful number, since it uses less digits than its factorization.

440464002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066690 (or 3066688 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440464002220 its reverse (22200464044), we get a palindrome (462664466264).

The spelling of 440464002220 in words is "four hundred forty billion, four hundred sixty-four million, two thousand, two hundred twenty".