3244261536 has 72 divisors (see below), whose sum is σ = 9245212704. Its totient is φ = 1079153280.

The previous prime is 3244261511. The next prime is 3244261541. The reversal of 3244261536 is 6351624423.

3244261536 is a `hidden beast` number, since 3 + 2 + 4 + 4 + 2 + 615 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3244261536.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128691 + ... + 151821.

It is an arithmetic number, because the mean of its divisors is an integer number (128405732).

Almost surely, 2^3244261536 is an apocalyptic number.

3244261536 is a gapful number since it is divisible by the number (36) 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 3244261536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4622606352).

3244261536 is an abundant number, since it is smaller than the sum of its proper divisors (6000951168).

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

3244261536 is a wasteful number, since it uses less digits than its factorization.

3244261536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23634 (or 23623 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3244261536 is about 56958.4193600911. The cubic root of 3244261536 is about 1480.3757166398.

Adding to 3244261536 its reverse (6351624423), we get a palindrome (9595885959).

The spelling of 3244261536 in words is "three billion, two hundred forty-four million, two hundred sixty-one thousand, five hundred thirty-six".