427317642394236 has 288 divisors, whose sum is σ = 1190314225900800. Its totient is φ = 128182533212160.

The previous prime is 427317642394199. The next prime is 427317642394249. The reversal of 427317642394236 is 632493246713724.

427317642394236 is a `hidden beast` number, since 4 + 2 + 7 + 3 + 1 + 7 + 6 + 4 + 2 + 394 + 236 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36733222276 + ... + 36733233908.

It is an arithmetic number, because the mean of its divisors is an integer number (4133035506600).

Almost surely, 2^{427317642394236} 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 427317642394236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595157112950400).

427317642394236 is an abundant number, since it is smaller than the sum of its proper divisors (762996583506564).

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

427317642394236 is a wasteful number, since it uses less digits than its factorization.

427317642394236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689 (or 13684 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 63.

The spelling of 427317642394236 in words is "four hundred twenty-seven trillion, three hundred seventeen billion, six hundred forty-two million, three hundred ninety-four thousand, two hundred thirty-six".