440009225920 has 224 divisors, whose sum is σ = 1150594860096. Its totient is φ = 158947737600.

The previous prime is 440009225891. The next prime is 440009225963. The reversal of 440009225920 is 29522900044.

It is a self number, because there is not a number n which added to its sum of digits gives 440009225920.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578198340 + ... + 578199100.

Almost surely, 2^440009225920 is an apocalyptic number.

440009225920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440009225920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575297430048).

440009225920 is an abundant number, since it is smaller than the sum of its proper divisors (710585634176).

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

440009225920 is a wasteful number, since it uses less digits than its factorization.

440009225920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 440009225920 in words is "four hundred forty billion, nine million, two hundred twenty-five thousand, nine hundred twenty".