64426113441 has 48 divisors (see below), whose sum is σ = 98758732800. Its totient is φ = 40389899616.

The previous prime is 64426113439. The next prime is 64426113517. The reversal of 64426113441 is 14431162446.

64426113441 is a `hidden beast` number, since 6 + 4 + 4 + 2 + 611 + 34 + 4 + 1 = 666.

It is not a de Polignac number, because 64426113441 - 2¹ = 64426113439 is a prime.

It is a super-2 number, since 2×64426113441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64426113396 and 64426113405.

It is not an unprimeable number, because it can be changed into a prime (64426113641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2952750 + ... + 2974488.

It is an arithmetic number, because the mean of its divisors is an integer number (2057473600).

Almost surely, 2^64426113441 is an apocalyptic number.

It is an amenable number.

64426113441 is a deficient number, since it is larger than the sum of its proper divisors (34332619359).

64426113441 is a wasteful number, since it uses less digits than its factorization.

64426113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22010 (or 22007 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 64426113441 its reverse (14431162446), we get a palindrome (78857275887).

The spelling of 64426113441 in words is "sixty-four billion, four hundred twenty-six million, one hundred thirteen thousand, four hundred forty-one".