422493734912 has 108 divisors (see below), whose sum is σ = 864210106305. Its totient is φ = 206496276480.

The previous prime is 422493734911. The next prime is 422493734939. The reversal of 422493734912 is 219437394224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 400759899136 + 21733835776 = 633056^2 + 147424^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459616.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422493734911) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1559017337 + ... + 1559017607.

Almost surely, 2^422493734912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422493734912

422493734912 is an abundant number, since it is smaller than the sum of its proper divisors (441716371393).

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

422493734912 is an frugal number, since it uses more digits than its factorization.

422493734912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 326 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

Multiplying 422493734912 by its sum of digits (50), we get a square (21124686745600 = 4596160²).

The spelling of 422493734912 in words is "four hundred twenty-two billion, four hundred ninety-three million, seven hundred thirty-four thousand, nine hundred twelve".