426565412064 has 216 divisors, whose sum is σ = 1339689687336. Its totient is φ = 128647411200.

The previous prime is 426565411997. The next prime is 426565412069. The reversal of 426565412064 is 460214565624.

426565412064 is a `hidden beast` number, since 4 + 2 + 6 + 565 + 4 + 1 + 20 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426565412069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7323922 + ... + 7381934.

It is an arithmetic number, because the mean of its divisors is an integer number (6202267071).

Almost surely, 2^426565412064 is an apocalyptic number.

426565412064 is a gapful number since it is divisible by the number (44) 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 426565412064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669844843668).

426565412064 is an abundant number, since it is smaller than the sum of its proper divisors (913124275272).

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

426565412064 is a wasteful number, since it uses less digits than its factorization.

426565412064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58262 (or 58240 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

Adding to 426565412064 its reverse (460214565624), we get a palindrome (886779977688).

The spelling of 426565412064 in words is "four hundred twenty-six billion, five hundred sixty-five million, four hundred twelve thousand, sixty-four".