3226440564 has 18 divisors (see below), whose sum is σ = 8155724850. Its totient is φ = 1075480176.

The previous prime is 3226440563. The next prime is 3226440601. The reversal of 3226440564 is 4650446223.

3226440564 is a `hidden beast` number, since 3 + 2 + 2 + 644 + 0 + 5 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2870816400 + 355624164 = 53580^2 + 18858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 89623349 = 3226440564 / (3 + 2 + 2 + 6 + 4 + 4 + 0 + 5 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3226440563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44811639 + ... + 44811710.

It is an arithmetic number, because the mean of its divisors is an integer number (453095825).

Almost surely, 2^3226440564 is an apocalyptic number.

It is an amenable number.

3226440564 is an abundant number, since it is smaller than the sum of its proper divisors (4929284286).

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

3226440564 is a wasteful number, since it uses less digits than its factorization.

3226440564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89623359 (or 89623354 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 3226440564 is about 56801.7655007307. The cubic root of 3226440564 is about 1477.6601332963.

Adding to 3226440564 its reverse (4650446223), we get a palindrome (7876886787).

The spelling of 3226440564 in words is "three billion, two hundred twenty-six million, four hundred forty thousand, five hundred sixty-four".