422545204004120 has 128 divisors (see below), whose sum is σ = 980807302920960. Its totient is φ = 163712835072000.

The previous prime is 422545204004117. The next prime is 422545204004179. The reversal of 422545204004120 is 21400402545224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351739532 + ... + 352938788.

It is an arithmetic number, because the mean of its divisors is an integer number (7662557054070).

Almost surely, 2^{422545204004120} is an apocalyptic number.

422545204004120 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 422545204004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490403651460480).

422545204004120 is an abundant number, since it is smaller than the sum of its proper divisors (558262098916840).

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

422545204004120 is a wasteful number, since it uses less digits than its factorization.

422545204004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200373 (or 1200369 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 422545204004120 its reverse (21400402545224), we get a palindrome (443945606549344).

The spelling of 422545204004120 in words is "four hundred twenty-two trillion, five hundred forty-five billion, two hundred four million, four thousand, one hundred twenty".