422043453440 has 192 divisors, whose sum is σ = 1160287390080. Its totient is φ = 144329932800.

The previous prime is 422043453397. The next prime is 422043453463. The reversal of 422043453440 is 44354340224.

It is a super-3 number, since 3×422043453440³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 422043453440.

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, 28736339 + ... + 28751021.

It is an arithmetic number, because the mean of its divisors is an integer number (6043163490).

Almost surely, 2^422043453440 is an apocalyptic number.

422043453440 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 422043453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580143695040).

422043453440 is an abundant number, since it is smaller than the sum of its proper divisors (738243936640).

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

422043453440 is a wasteful number, since it uses less digits than its factorization.

422043453440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118 (or 15098 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 422043453440 its reverse (44354340224), we get a palindrome (466397793664).

The spelling of 422043453440 in words is "four hundred twenty-two billion, forty-three million, four hundred fifty-three thousand, four hundred forty".