440020423304 has 192 divisors, whose sum is σ = 1111290969600. Its totient is φ = 159306301440.

The previous prime is 440020423291. The next prime is 440020423313. The reversal of 440020423304 is 403324020044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9075992 + ... + 9124344.

It is an arithmetic number, because the mean of its divisors is an integer number (5787973800).

Almost surely, 2^440020423304 is an apocalyptic number.

440020423304 is a gapful number since it is divisible by the number (44) 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 440020423304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555645484800).

440020423304 is an abundant number, since it is smaller than the sum of its proper divisors (671270546296).

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

440020423304 is a wasteful number, since it uses less digits than its factorization.

440020423304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48484 (or 48469 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 440020423304 its reverse (403324020044), we get a palindrome (843344443348).

The spelling of 440020423304 in words is "four hundred forty billion, twenty million, four hundred twenty-three thousand, three hundred four".