427218663396 has 192 divisors, whose sum is σ = 1164797706240. Its totient is φ = 119361168000.

The previous prime is 427218663323. The next prime is 427218663397. The reversal of 427218663396 is 693366812724.

It is not an unprimeable number, because it can be changed into a prime (427218663397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 568866021 + ... + 568866771.

It is an arithmetic number, because the mean of its divisors is an integer number (6066654720).

Almost surely, 2^427218663396 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 427218663396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582398853120).

427218663396 is an abundant number, since it is smaller than the sum of its proper divisors (737579042844).

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

427218663396 is a wasteful number, since it uses less digits than its factorization.

427218663396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The spelling of 427218663396 in words is "four hundred twenty-seven billion, two hundred eighteen million, six hundred sixty-three thousand, three hundred ninety-six".