4226040064 has 81 divisors (see below), whose sum is σ = 8998621597. Its totient is φ = 1980403712.

The previous prime is 4226040053. The next prime is 4226040067. The reversal of 4226040064 is 4600406224.

The square root of 4226040064 is 65008.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3290169600 + 935870464 = 57360^2 + 30592^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4226040067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17682057 + ... + 17682295.

Almost surely, 2^4226040064 is an apocalyptic number.

4226040064 is the 65008-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4226040064

4226040064 is an abundant number, since it is smaller than the sum of its proper divisors (4772581533).

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

4226040064 is an frugal number, since it uses more digits than its factorization.

4226040064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The cubic root of 4226040064 is about 1616.7562058933.

Multiplying 4226040064 by its product of nonzero digits (9216), we get a square (38947185229824 = 6240768²).

Adding to 4226040064 its reverse (4600406224), we get a palindrome (8826446288).

The spelling of 4226040064 in words is "four billion, two hundred twenty-six million, forty thousand, sixty-four".